The Global Volcanism Program database currently contains 1576 volcano names (1535 Holocene and 41 Pleistocene with thermal activity) (bolded), 1987 synonyms, and 9190 subfeatures, for an overall total of 12753 names, sorted below in alphabetical order. Descriptions of the various "Volcano Type" and "Volcano Status" designations can be found on the Volcano Data Criteria page.
| Volcano Name | Volcano Type | Volcano Status | Volcanic Subregion |
| AABIDA | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| AB E GARM | Thermal Feature of DAMAVAND | Iran & Afghanistan | |
| ABANG, GUNUNG | Stratovolcano of BATUR | Lesser Sunda Islands | |
| ABARO | Cone of CORBETTI CALDERA | Africa (northeastern) & Red Sea | |
| ABAS TEPE | Cone of ERCIYES DAGI | Turkey | |
| ABBOTT PEAK | Cone of EREBUS | Antarctica & South Sandwich Islands | |
| ABEJERA, MONTANA | Dome of TENERIFE | Canary Islands | |
| ABEQUE, MONTANA DE | Cinder cone of TENERIFE | Canary Islands | |
| ABIDA | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| ABILI AGITUK [WARGESS] | Tuff cone of BARRIER, THE | Africa (eastern) | |
| ABINGDON | Synonym of PINTA | Galápagos Islands | |
| ABOA | Synonym of AOBA | Vanuatu | |
| ABOUR, JEBEL EL | Cone of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| ABRA, CERRO EL | Synonym of ATLIXCOS, LOS | México | |
| ABRIGO, CERRO DEL | Dome of VALLES CALDERA | USA (New Mexico) | |
| ABRUNCO | Dome of TENERIFE | Canary Islands | |
| ABU | Shield volcanoes | Thermoluminescence | Honshu |
| ABU AIL ISLAND | Cone of ZUKUR | Africa (northeastern) & Red Sea | |
| ABU HARIS, JABAL | Dome of KISHB, HARRAT | Arabia | |
| ABYAD, JABAL | Dome of KHAYBAR, HARRAT | Arabia | |
| ACADEMII NAUK | Synonym of AKADEMIA NAUK | Kamchatka Peninsula | |
| ACAMARACHI | Stratovolcano | Holocene | Northern Chile, Bolivia & Argentina |
| ACATENANGO | Stratovolcano | Historical | Guatemala |
| ACATLAN, CERRO | Cinder cone of NAOLINCO VOLCANIC FIELD | México | |
| ACCADEMIA | Dome of CAMPI FLEGREI | Italy | |
| ACHACARA, LOMA | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| ACHELONE | Vent of NISYROS | Greece | |
| ACHEOLUS | Vent of NISYROS | Greece | |
| ACHI-YAMA | Dome of NII-JIMA | Izu, Volcano, & Mariana Islands | |
| ACHIN-NIELLU | Cone of HUANQUIHUE GROUP | Central Chile & Argentina | |
| ACHIN-NIELLU | Cone of HUANQUIHUE GROUP | Central Chile & Argentina | |
| ACHIOTILLAL | Stratovolcano of BARVA | Costa Rica | |
| ACHLAN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ACIGOL | Crater of KARAPINAR FIELD | Turkey | |
| ACIGOL-NEVSEHIR | Caldera | Anthropology | Turkey |
| ACIGOL-NEYSEHIR | Synonym of ACIGOL-NEVSEHIR | Turkey | |
| ACOUMA, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| ACQUARIUM | Thermal Feature of EAST DIAMANTE | Izu, Volcano, & Mariana Islands | |
| ACQUE CALDE | Thermal Feature of VULCANO | Italy | |
| ACROPOLI | Cone of PANTELLERIA | Italy | |
| ACTIVE CRATER | Crater of RINCON DE LA VIEJA | Costa Rica | |
| ADAGDAK | Stratovolcano | Pleistocene-Hot Springs | Aleutian Islands |
| ADAMS | Stratovolcano | Tephrochronology | USA (Washington) |
| ADAMS SEAMOUNT | Submarine volcano | Potassium-Argon | Pacific Ocean (central) |
| ADAS TEPE [ABAS TEPE] | Cone of ERCIYES DAGI | Turkey | |
| ADATARA | Stratovolcanoes | Historical | Honshu |
| ADATARA-YAMA | Dome of ADATARA | Honshu | |
| ADHAMAS | Thermal Feature of MILOS | Greece | |
| ADIKA-WILIS | Synonym of WILIS | Java | |
| ADO ALE | Synonym of ASSAB VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| ADO WADJUNG [ADO WAJUNG] | Crater of ILIWERUNG | Lesser Sunda Islands | |
| ADO WAJUNG | Crater of ILIWERUNG | Lesser Sunda Islands | |
| ADWA | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| AEK MADURANA | Thermal Feature of SIBUALBUALI | Sumatra | |
| AEK WALIRAN | Thermal Feature of SIBUALBUALI | Sumatra | |
| AER PANAS | Thermal Feature of KEMBAR | Sumatra | |
| AESEPUT | Cone of SOPUTAN | Sulawesi | |
| AESEPUT WERO | Dome of SOPUTAN | Sulawesi | |
| AETNA | Synonym of ETNA | Italy | |
| AFANA | Crater of WALLIS ISLANDS | Samoan & Wallis Islands | |
| AFATE, CERRO | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| AFDERA | Stratovolcano | Holocene? | Africa (northeastern) & Red Sea |
| AFLITOS | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| AFOLAU | Cone of UPOLU | Samoan & Wallis Islands | |
| AFONO | Dome of TUTUILA | Samoan & Wallis Islands | |
| AFOSA, MONTANA DE | Cinder cone of HIERRO | Canary Islands | |
| AFRERA | Synonym of AFDERA | Africa (northeastern) & Red Sea | |
| AFUTINA | Cone of SAVAI'I | Samoan & Wallis Islands | |
| AGAJEDAN | Synonym of SHISHALDIN | Aleutian Islands | |
| AGASCHAGOCH | Synonym of BOGOSLOF | Aleutian Islands | |
| AGELU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AGHIE [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| AGINCOURT | Synonym of PENGCHIAHSU | Taiwan | |
| AGIOS JOANNIS | Vent of NISYROS | Greece | |
| AGMAGAN-KARADAG | Synonym of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| AGNANO | Caldera of CAMPI FLEGREI | Italy | |
| AGNANO MONTE SPINA | Crater of CAMPI FLEGREI | Italy | |
| AGOENG | Synonym of AGUNG | Lesser Sunda Islands | |
| AGONIA, PUIG S' | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| AGOTU VALLEY | Cone of CRATER MOUNTAIN | New Guinea & D'Entrecasteaux Islands | |
| AGRI DAGI | Synonym of ARARAT | Turkey | |
| AGRIGAN | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| AGRIHAN | Synonym of AGRIGAN | Izu, Volcano, & Mariana Islands | |
| AGRIO, DEL [CAVIAHUE] | Caldera of COPAHUE | Central Chile & Argentina | |
| AGRITAS, VOLCAN LAS | Dome of MASCOTA VOLCANIC FIELD | México | |
| AGUA | Stratovolcano | Holocene | Guatemala |
| AGUA AGRIA | Thermal Feature of AGUAJITO, EL | México | |
| AGUA AGRIA, AUSOLES DE | Thermal Feature of SAN VICENTE | El Salvador & Honduras | |
| AGUA AMARGA, CERRO | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| AGUA BENDITA, CERRO | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| AGUA CALIENTE | Thermal Feature of CHICHON, EL | México | |
| AGUA CALIENTE DEL TUZGLE | Thermal Feature of TUZGLE, CERRO | Northern Chile, Bolivia & Argentina | |
| AGUA CALIENTE HOT SPRINGS | Thermal Feature of ST. HELENS | USA (Washington) | |
| AGUA DE PAU | Stratovolcano | Historical | Azores |
| AGUA FRIA, LAGUNA DE | Synonym of POAS | Costa Rica | |
| AGUA GRANDE, CERRO | Cinder cone of COMONDU-LA PURISIMA | México | |
| AGUA SHUCA | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| AGUA, CERRO | Pyroclastic Cone of NEGRA, SIERRA | Galápagos Islands | |
| AGUA, CERRO DEL | Cinder cone of CHICHINAUTZIN | México | |
| AGUA, LAGUNA DE | Crater of SAN CRISTOBAL | Nicaragua | |
| AGUAJITO, EL | Caldera | Pleistocene-Hot Springs | México |
| AGUALVA | Dome of TERCEIRA | Azores | |
| AGUAS AMARGAS | Thermal Feature of SANTO TOMAS | Guatemala | |
| AGUAS CALIENTES | Stratovolcano of LASCAR | Northern Chile, Bolivia & Argentina | |
| AGUAS PERDIDAS | Synonym of NEGRILLAR, LA | Northern Chile, Bolivia & Argentina | |
| AGUAS TERMALES | Thermal Feature of RINCON DE LA VIEJA | Costa Rica | |
| AGUAS ZARCAS | Cinder cone of PLATANAR | Costa Rica | |
| AGUERO, CERRO DE | Cone of TELICA | Nicaragua | |
| AGUILA, CERRO EL | Stratovolcano of APANECA RANGE | El Salvador & Honduras | |
| AGUILA, CERRO LA | Stratovolcano of MICHOACAN-GUANAJUATO | México | |
| AGUILA, EL [SAN ANTONIO] | Stratovolcano of TACANA | México | |
| AGUILA, PICO DEL | Dome of TOLUCA, NEVADO DE | México | |
| AGUILAS, LAS | Dome of HUMEROS, LOS | México | |
| AGUILAS, VOLCAN LAS | Cone of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| AGUILERA | Stratovolcano | Radiocarbon | Southern Chile & Argentina |
| AGUILILLAS, CERRO | Cinder cone of COMONDU-LA PURISIMA | México | |
| AGUNG | Crater of GUNTUR | Java | |
| AGUNG | Stratovolcano | Historical | Lesser Sunda Islands |
| AGUROSHI-YAMA | Cone of KURIKOMA | Honshu | |
| AHALAPAM CINDER FIELD | Synonym of NORTH SISTER FIELD | USA (Oregon) | |
| AHDING INGRID MOUNTAIN | Cone of NUNIVAK ISLAND | Alaska (western) | |
| AHKIWIKSNUK | Maar of NUNIVAK ISLAND | Alaska (western) | |
| AHOLO, VOLCAN | Cone of CHICHINAUTZIN | México | |
| AHRUP | Synonym of LONG ISLAND | Northeast of New Guinea | |
| AHUACATLAN, VOLCAN DE | Synonym of CEBORUCO | México | |
| AHUACHAPAN | Synonym of APANECA RANGE | El Salvador & Honduras | |
| AHUATEPEC, CERRO | Cone of SERDAN-ORIENTAL | México | |
| AHUAZATEPETL, VOLCAN | Cinder cone of CHICHINAUTZIN | México | |
| AHUMOA | Cone of MAUNA KEA | Hawaiian Islands | |
| AHYI | Submarine volcano | Seismicity | Izu, Volcano, & Mariana Islands |
| AI-LAAU | Shield volcano of KILAUEA | Hawaiian Islands | |
| AIELU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AIGAGIN | Synonym of MAKUSHIN | Aleutian Islands | |
| AIGUANEGRA, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| AIGUILLE NOIRE | Cone of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| AILERON | Dome of PELEE | West Indies | |
| AINO-MINE | Cone of KUSATSU-SHIRANE | Honshu | |
| AINU TUKAP [TUKAP] | Stratovolcano of MEDVEZHIA | Kuril Islands | |
| AIRA | Pleistocene caldera of SAKURA-JIMA | Ryukyu Islands & Kyushu | |
| AIRE, CERRO DEL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| AISEPOET [AESEPUT] | Cone of SOPUTAN | Sulawesi | |
| AIYANSH VOLCANO | Synonym of TSEAX RIVER CONE | Canada | |
| AIZU-FUJI (AIZU-YAMA) | Synonym of BANDAI | Honshu | |
| AJAGIN (AJAGISCH) | Synonym of MAKUSHIN | Aleutian Islands | |
| AJAKAN [AYAKAN] | Crater of GUNTUR | Java | |
| AJATA, VOLCANES DE | Cinder cone of PARINACOTA | Northern Chile, Bolivia & Argentina | |
| AJEK-AJEK | Caldera of SEMERU | Java | |
| AJEL | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AJELOU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AJER PANAS [AYER PANAS] | Thermal Feature of LUMUT BALAI, BUKIT | Sumatra | |
| AJUSCO, VOLCAN | Dome of CHICHINAUTZIN | México | |
| AKA-DAKE | Stratovolcano of DAISETSU | Hokkaido | |
| AKA-DAKE | Synonym of SINARKA | Kuril Islands | |
| AKA-JIMA | Cone of FUKUE-JIMA | Ryukyu Islands & Kyushu | |
| AKADEMIA NAUK | Stratovolcanoes | Historical | Kamchatka Peninsula |
| AKADEMIA NAUK | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| AKADEMIA NAUK SPRINGS | Thermal Feature of AKADEMIA NAUK | Kamchatka Peninsula | |
| AKAGI | Stratovolcano | Holocene? | Honshu |
| AKAHANI-YAMA | Stratovolcano of BANDAI | Honshu | |
| AKAI | Cinder cone of ASO | Ryukyu Islands & Kyushu | |
| AKAKUBO | Cone of IZU-TOBU | Honshu | |
| AKAKURA | Thermal Feature of MYOKO | Honshu | |
| AKAKURA-DAKE | Cone of HAKKODA GROUP | Honshu | |
| AKAMIZU | Thermal Feature of ASO | Ryukyu Islands & Kyushu | |
| AKAN | Caldera | Historical | Hokkaido |
| AKAN-FUJI | Stratovolcano of AKAN | Hokkaido | |
| AKAN-HUZI [AKAN-FUJI] | Stratovolcano of AKAN | Hokkaido | |
| AKAN-KOHAN | Thermal Feature of AKAN | Hokkaido | |
| AKANAGURE | Dome of HIUCHI | Honshu | |
| AKANDANA-YAMA | Stratovolcano of YAKE-DAKE | Honshu | |
| AKASAKA-MINAMI | Cone of IZU-TOBU | Honshu | |
| AKATSUKA | Cone of FUJI | Honshu | |
| AKAZAKI-NO-MINE | Dome of NII-JIMA | Izu, Volcano, & Mariana Islands | |
| AKAZAWA-KAIKYU | Submarine vent of IZU-TOBU | Honshu | |
| AKERLUNDH | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| AKHAT | Cone of DARIGANGA VOLCANIC FIELD | Mongolia | |
| AKHLAN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| AKHOMTEN | Cone of MUTNOVSKY | Kamchatka Peninsula | |
| AKHTANG | Shield volcano | Holocene? | Kamchatka Peninsula |
| AKHUACHAPAN [PLAYON DE AHUACHAPAN] | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| AKI [MENSHOI BRAT] | Dome of MEDVEZHIA | Kuril Islands | |
| AKILOSET SPRINGS | Thermal Feature of SILALI | Africa (eastern) | |
| AKIMOANA | Submarine vent of MAUNA LOA | Hawaiian Islands | |
| AKITA-FUJI | Synonym of CHOKAI | Honshu | |
| AKITA-KOMAGA-TAKE | Stratovolcanoes | Historical | Honshu |
| AKITA-YAKE-YAMA | Stratovolcano | Historical | Honshu |
| AKKKTIVNAYA VORONKA | Crater of MUTNOVSKY | Kamchatka Peninsula | |
| AKMOAN | Thermal Feature of MATUTUM | Mindanao | |
| AKOMA, TAVANI | Cone of KUWAE | Vanuatu | |
| AKU | Cone of UDOKAN PLATEAU | Russia (southeastern) | |
| AKUSEKI-JIMA | Stratovolcanoes | Holocene? | Ryukyu Islands & Kyushu |
| AKUTAN | Stratovolcano | Historical | Aleutian Islands |
| AL WAHBAH | Maar of KISHB, HARRAT | Arabia | |
| AL-ARAB, DJEBEL | Synonym of DRUZE, JABAL AD | Syria | |
| AL-DJABAL AL-ASWAD | Synonym of SAWAD, HARRA ES- | Arabia | |
| AL-HARUJ AL ASWAD | Synonym of HARUJ | Africa (northern) | |
| AL-KHURDJ BAL DJILD [KHURDJ EL-AISAR] | Tuff cone of HAYLAN, JABAL | Arabia | |
| ALA DAG | Cone of KARS PLATEAU | Turkey | |
| ALAE | Former pit crater of KILAUEA | Hawaiian Islands | |
| ALAEMBAKEO, VUTI | Cone of AOBA | Vanuatu | |
| ALAGEY | Synonym of ARAGATS | Caucasus, Georgia & Armenia | |
| ALAGOGSHAK | Stratovolcano of MARTIN | Alaska Peninsula | |
| ALAID | Stratovolcano | Historical | Kuril Islands |
| ALAID | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| ALAMAGAN | Stratovolcano | Radiocarbon | Izu, Volcano, & Mariana Islands |
| ALANG | Stratovolcano of DIENG VOLCANIC COMPLEX | Java | |
| ALAPARS | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| ALAUAWA, PUU | Cone of HUALALAI | Hawaiian Islands | |
| ALAYTA | Shield volcano | Historical | Africa (northeastern) & Red Sea |
| ALBAINS, MONTS | Synonym of ALBAN HILLS | Italy | |
| ALBAN HILLS | Caldera | Holocene? | Italy |
| ALBAN HILLS | Caldera | Holocene? | Italy |
| ALBANO | Maar of ALBAN HILLS | Italy | |
| ALBANO, MONTE | Cinder cone of ETNA | Italy | |
| ALBANY ISLAND | Cone of SANTIAGO | Galápagos Islands | |
| ALBATROSS POINT | Tuff cone of ANTIPODES ISLAND | Pacific Ocean (southern) | |
| ALBAY VOLCANO | Synonym of MAYON | Luzon | |
| ALBERCA, CERRO DE LA | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| ALBERCA, LA | Maar of MICHOACAN-GUANAJUATO | México | |
| ALBERT PARK | Cone of AUCKLAND FIELD | New Zealand | |
| ALBERT, MT. | Cone of AUCKLAND FIELD | New Zealand | |
| ALBINE-BOLDOK | Cone of AZAS PLATEAU | Russia (southeastern) | |
| ALBIT HUT | Synonym of BIR BORHUT | Arabia | |
| ALBULHEK | Cone of MATUTUM | Mindanao | |
| ALCEDO | Shield volcano | Historical | Galápagos Islands |
| ALCHICHICA | Tuff ring of SERDAN-ORIENTAL | México | |
| ALE BAGU | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| ALEBBAGU | Synonym of ALE BAGU | Africa (northeastern) & Red Sea | |
| ALEGRIA, AUSOLES DE LA LAGUNA DE | Thermal Feature of TECAPA | El Salvador & Honduras | |
| ALEGRIA, CERRO | Cone of TECAPA | El Salvador & Honduras | |
| ALESSI, DJEBEL [JABAL EL-ESI] | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| ALEXANDER, MT. | Dome of ST. CATHERINE | West Indies | |
| ALEXANDROS | Vent of NISYROS | Greece | |
| ALEYONE | Cone of PLEIADES, THE | Antarctica & South Sandwich Islands | |
| ALFERES, CALDEIRA DO | Cone of SETE CIDADES | Azores | |
| ALFERES, CALDEIRA DO | Cone of SETE CIDADES | Azores | |
| ALFRED PICARD, CRATERE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| ALFTAKVISLARHRAUN | Fissure vent of KATLA | Iceland (southern) | |
| ALFTARHOLL | Crater of GRIMSNES | Iceland (southwestern) | |
| ALI BOGO | Synonym of ERTA ALE | Africa (northeastern) & Red Sea | |
| ALI DAG | Dome of ERCIYES DAGI | Turkey | |
| ALIANNGEI | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ALIANTE | Synonym of LLAIMA | Central Chile & Argentina | |
| ALID | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| ALIT | Synonym of ALID | Africa (northeastern) & Red Sea | |
| ALITAR | Maar of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| ALJANNGEJ | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ALJOJUCA | Maar of SERDAN-ORIENTAL | México | |
| ALLIGATOR LAKE | Maar of SAN PABLO VOLCANIC FIELD | Luzon | |
| ALLIGATOR LAKE | Volcanic field | Holocene | Canada |
| ALMARCHIGA [VOLCAN DE FASNIA] | Cinder cone of TENERIFE | Canary Islands | |
| ALMASIGAHAN | Dome of LABO | Luzon | |
| ALMENNINGAHRAUN | Fissure vent of KATLA | Iceland (southern) | |
| ALMOLONGA | Stratovolcano | Historical | Guatemala |
| ALMOLONGA, BANOS | Thermal Feature of ALMOLONGA | Guatemala | |
| ALMONZA | Vent of PANTELLERIA | Italy | |
| ALNEI | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ALNEI [ALNEY] | Stratovolcano of ALNEY-CHASHAKONDZHA | Kamchatka Peninsula | |
| ALNEY | Stratovolcano of ALNEY-CHASHAKONDZHA | Kamchatka Peninsula | |
| ALNEY-CHASHAKONDZHA | Stratovolcano | Radiocarbon | Kamchatka Peninsula |
| ALNGEI | Synonym of ALNGEY | Kamchatka Peninsula | |
| ALNGEY | Stratovolcano | Holocene? | Kamchatka Peninsula |
| ALOFAU | Pleistocene caldera of TUTUILA | Samoan & Wallis Islands | |
| ALOI | Former pit crater of KILAUEA | Hawaiian Islands | |
| ALON, MT. | Cone of GAMKONORA | Halmahera | |
| ALPEHUE | Crater of SOLLIPULLI | Central Chile & Argentina | |
| ALSEY | Cone of VESTMANNAEYJAR | Iceland (southern) | |
| ALTA GRACIA | Cinder cone of CONCEPCION | Nicaragua | |
| ALTA, MONTANA | Cone of GRAN CANARIA | Canary Islands | |
| ALTER VOSS | Cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| ALTINETES, PICO | Dome of AGUA DE PAU | Azores | |
| ALTO | See proper name (e.g. SANTANO, ALTO LA) | Spanish for PEAK | |
| ALTO GRANDE, CERRO | Cone of IRAZU | Costa Rica | |
| ALTO, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| ALTO, CERRO | Dome of PRIMAVERA, SIERRA LA | México | |
| ALTO, CERRO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| ALTO, CERRO | Cinder cone of COATEPEQUE CALDERA | El Salvador & Honduras | |
| ALTO, PICO | Stratovolcano of TERCEIRA | Azores | |
| ALU | Fissure vents | Holocene | Africa (northeastern) & Red Sea |
| ALUNALUN | Crater of PAPANDAYAN | Java | |
| ALUTU | Stratovolcano | Radiocarbon | Africa (northeastern) & Red Sea |
| ALVAREZ | Maar of MICHOACAN-GUANAJUATO | México | |
| AMACAN-GOPOD | Thermal Feature of LEONARD RANGE | Mindanao | |
| AMADO | Dome of BORAWLI | Africa (northeastern) & Red Sea | |
| AMAGASE | Thermal Feature of KUJU | Ryukyu Islands & Kyushu | |
| AMAGI | Stratovolcano of IZU-TOBU | Honshu | |
| AMAK | Stratovolcano | Historical | Aleutian Islands |
| 'AM'AM, JABAL | Dome of KHAYBAR, HARRAT | Arabia | |
| AMANI | Cone of NYAMURAGIRA | Africa (central) | |
| AMARCHTA | Synonym of AMUKTA | Aleutian Islands | |
| AMARGURA | Synonym of FONUALEI | Tonga Islands | |
| AMARILLA, MONTANA | Cone of LANZAROTE | Canary Islands | |
| AMARILLO, CERRO | Tuff cone of SAN FELIX | Pacific Ocean (Chilean Islands) | |
| AMARTI | Synonym of BORAWLI | Africa (northeastern) & Red Sea | |
| AMASING | Stratovolcanoes | Holocene | Halmahera |
| AMATEPEQUE [EL JABALI] | Stratovolcano of SAN SALVADOR | El Salvador & Honduras | |
| AMATITLAN | Pleistocene caldera of PACAYA | Guatemala | |
| AMATOFUA | Synonym of TOFUA | Tonga Islands | |
| AMAYA, AUSOLES DE | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| AMAYO, VOLCAN | Synonym of FLORES | Guatemala | |
| AMAYTOLI | Synonym of ALE BAGU | Africa (northeastern) & Red Sea | |
| AMBAE | Synonym of AOBA | Vanuatu | |
| AMBALATUNGAN GROUP | Compound volcano | Fumarolic | Luzon |
| AMBANG | Complex volcano | Historical | Sulawesi |
| AMBATO [AMPATO] | Stratovolcano of SABANCAYA | Perú | |
| AMBITLE | Stratovolcano | Radiocarbon | New Ireland |
| AMBOELOMBO | Synonym of EBULOBO | Lesser Sunda Islands | |
| AMBOHIBE | Dome of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMBOHIMALALA | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMBOHITRITAINERINA | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMBOHITRONDRY | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMBRE-BOBAOMBY | Volcanic field | Holocene | Indian Ocean (western) |
| AMBRIM | Synonym of AMBRYM | Vanuatu | |
| AMBRYM | Pyroclastic shield | Historical | Vanuatu |
| AMBUREMBU (AMBUROMBU) | Synonym of EBULOBO | Lesser Sunda Islands | |
| AMEBA | Dome of MEDVEZHIA | Kuril Islands | |
| AMES RANGE | Synonym of ANDRUS | Antarctica & South Sandwich Islands | |
| AMGAI HIGHLANDS-HIGASHI | Vent of IZU-TOBU | Honshu | |
| AMIAK | Synonym of AMAK | Aleutian Islands | |
| AMIATA | Lava domes | Pleistocene-Fumarolic | Italy |
| AMIATA, MONTE | Dome of AMIATA | Italy | |
| AMIC | Crater of SOUFRIERE GUADELOUPE | West Indies | |
| AMIC, MORNE | Dome of SOUFRIERE GUADELOUPE | West Indies | |
| AMIKAKE SPA | Thermal Feature of IWATE | Honshu | |
| AMKA-USYR | Synonym of NEMO PEAK | Kuril Islands | |
| AMOISSA | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| AMOLOC, VOLCAN | Cinder cone of CHICHINAUTZIN | México | |
| AMOR | Stratovolcano of SURETAMATAI | Vanuatu | |
| AMORONG | Lava domes | Fumarolic | Luzon |
| AMPARY | Dome of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMPATO | Stratovolcano of SABANCAYA | Perú | |
| AMSTERDAM ISLAND | Stratovolcano | Holocene | Indian Ocean (southern) |
| AMUCHTA | Synonym of AMUKTA | Aleutian Islands | |
| AMUD, JABAL AL | Cone of HARRAH, AL | Arabia | |
| AMUKTA | Stratovolcano | Historical | Aleutian Islands |
| AMUTYCHI | Cinder cone of UDOKAN PLATEAU | Russia (southeastern) | |
| ANAGI-YAMA [ANANO-YAMA] | Dome of KOZU-SHIMA | Izu, Volcano, & Mariana Islands | |
| ANAGONA | Cone of AOBA | Vanuatu | |
| ANAK KRAKATAU | Cone of KRAKATAU | Krakatau | |
| ANAK RANAKAH | Dome of RANAKAH | Lesser Sunda Islands | |
| ANAKENA, VOLCAN | Pyroclastic Cone of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| ANAMARAMA, MAUNGA | Pyroclastic Cone of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| ANANGUSIK | Synonym of GARELOI | Aleutian Islands | |
| ANANO-YAMA | Dome of IZU-TOBU | Honshu | |
| ANANO-YAMA | Dome of KOZU-SHIMA | Izu, Volcano, & Mariana Islands | |
| ANANOKUBO | Tuff ring of IZU-TOBU | Honshu | |
| ANAOTA | Cone of SAVAI'I | Samoan & Wallis Islands | |
| ANAS | Thermal Feature of BILIRAN | Central Philippines | |
| ANATAHAN | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| ANATOM | Synonym of ANEITYUM | Vanuatu | |
| ANAUN | Stratovolcano | Holocene? | Kamchatka Peninsula |
| ANBURO | Dome of CHACHIMBIRO | Ecuador | |
| ANCHAL, MAAR D' | Maar of CHAINE DES PUYS | Western Europe | |
| ANDAGUA VALLEY [ANDAHUA VALLEY] | Synonym of ANDAHUA-ORCOPAMPA | Perú | |
| ANDAHUA-ORCOPAMPA | Cinder cones | Radiocarbon | Perú |
| ANDES, CERRO LOS | Cone of CHACHANI, NEVADO | Perú | |
| ANDIKLI TEPE | Cone of KARAPINAR FIELD | Turkey | |
| ANDIKLI-AYIRTMEKE TEPE | Cone of KARAPINAR FIELD | Turkey | |
| ANDJASMORO | Stratovolcano of ARJUNO-WELIRANG | Java | |
| ANDRAIKIBA | Crater of ANKARATRA FIELD | Indian Ocean (western) | |
| ANDRANOJAVATRA | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| ANDRANORATSY | Crater of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| ANDRANOTORAHA | Crater of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| ANDREAS | Vent of NISYROS | Greece | |
| ANDRES | Stratovolcano of PALOMO | Central Chile & Argentina | |
| ANDREW BAY | Caldera of ADAGDAK | Aleutian Islands | |
| ANDREW BAY HOT SPRINGS | Thermal Feature of ADAGDAK | Aleutian Islands | |
| ANDREW'S CONE | Stratovolcano of BARRIER, THE | Africa (eastern) | |
| ANDROMEDA CONE | Cone of IMURUK LAKE | Alaska (western) | |
| ANDRUS | Shield volcanoes | Holocene? | Antarctica & South Sandwich Islands |
| ANEITYUM | Stratovolcanoes | Holocene? | Vanuatu |
| ANETCHOM | Synonym of ANEITYUM | Vanuatu | |
| ANFITRITE | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| ANGALAFIB | Cone of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| ANGAR, GOF | Maar of MARSABIT | Africa (eastern) | |
| ANGAVO | Dome of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| ANGET | Crater of LUMUT BALAI, BUKIT | Sumatra | |
| ANGILA | Cone of LANGILA | New Britain | |
| ANGLAIS, MORNE | Stratovolcano of WATT, MORNE | West Indies | |
| ANGNJIOMAN [ANGNYIOMAN] | Thermal Feature of ILIMUDA | Lesser Sunda Islands | |
| ANGNYIOMAN | Thermal Feature of ILIMUDA | Lesser Sunda Islands | |
| ANGOES, BATOE [BATU ANGUS] | Dome of TONGKOKO | Sulawesi | |
| ANGOSTURA, LA | Tuff ring of HUANQUIHUE GROUP | Central Chile & Argentina | |
| ANGOSTURA, MONTANA DE LA | Cinder cone of TENERIFE | Canary Islands | |
| ANGUREAL | Stratovolcano of CAYAMBE | Ecuador | |
| ANGUS BARU, BATU | Dome of TONGKOKO | Sulawesi | |
| ANGUS, BATU | Crater of BANDA API | Banda Sea | |
| ANGUS, BATU | Dome of TONGKOKO | Sulawesi | |
| ANIAKCHAK | Caldera | Historical | Alaska Peninsula |
| ANILLO, CERRO DEL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| ANIMAS, CERRO DE LAS | Cone of AZUL, CERRO | Galápagos Islands | |
| ANIR | Synonym of AMBITLE | New Ireland | |
| ANJAR, GUNUNG | Cone of IJEN | Java | |
| ANJAR, KAWAH | Thermal Feature of KAMOJANG, KAWAH | Java | |
| ANKAIZINA FIELD | Cinder cones | Holocene | Indian Ocean (western) |
| ANKARATRA FIELD | Cinder cones | Holocene | Indian Ocean (western) |
| ANNEXATION | Shield volcano of MACAULEY ISLAND | Kermadec Islands | |
| ANOENGOLA [ANUNGGOLA] | Crater of SIRUNG | Lesser Sunda Islands | |
| ANONIMO | Synonym of LLAIMA | Central Chile & Argentina | |
| ANSEI | Crater of KOMAGA-TAKE | Hokkaido | |
| ANTEOJOS, LOS | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| ANTI, GUNUNG | Cone of BATUR | Lesser Sunda Islands | |
| ANTICURA | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| ANTICURA | Pyroclastic Cone of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| ANTILLANCA GROUP | Stratovolcanoes | Radiocarbon | Central Chile & Argentina |
| ANTIMILOS | Cone of MILOS | Greece | |
| ANTIPODES ISLAND | Pyroclastic cones | Holocene? | Pacific Ocean (southern) |
| ANTISANA | Stratovolcano | Historical | Ecuador |
| ANTITRUZ, CERRO | Cinder cone of CRATER BASALT VOLCANIC FIELD | Southern Chile & Argentina | |
| ANTIZANA | Synonym of ANTISANA | Ecuador | |
| ANTOCO | Synonym of ANTUCO | Central Chile & Argentina | |
| ANTOFAGASTA DE LA SIERRA | Scoria cones | Holocene | Northern Chile, Bolivia & Argentina |
| ANTOINE, LAKE | Crater of ST. CATHERINE | West Indies | |
| ANTOJO | Synonym of ANTUCO | Central Chile & Argentina | |
| ANTONELLI | Cone of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| ANTONIA PEAK | Synonym of TIATIA | Kuril Islands | |
| ANTSIFEROVA | Synonym of SHIRINKI | Kuril Islands | |
| ANTSIRABE | Cone of ANKARATRA FIELD | Indian Ocean (western) | |
| ANTSIRABLE | Synonym of ANKARATRA FIELD | Indian Ocean (western) | |
| ANTUCO | Stratovolcano | Historical | Central Chile & Argentina |
| ANUNGGOLA | Crater of SIRUNG | Lesser Sunda Islands | |
| ANVIL PEAK | Cone of SEMISOPOCHNOI | Aleutian Islands | |
| ANVIL, THE [EL YUNQUE] | Stratovolcano of ROBINSON CRUSOE | Pacific Ocean (Chilean Islands) | |
| AOBA | Shield volcano | Historical | Vanuatu |
| AOBUNA | Stratovolcano of TOWADA | Honshu | |
| A'OFA | Shield volcano of OFU-OLOSEGA | Samoan & Wallis Islands | |
| AOGA-SHIMA | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| AONE SPA | Thermal Feature of ZAO | Honshu | |
| AOPO [MAUGA MU] | Cinder cone of SAVAI'I | Samoan & Wallis Islands | |
| AP-SAN | Shield volcano of CH'UGA-RYONG | Korea | |
| APACAGUA | Synonym of PACAYA | Guatemala | |
| APACHETA, CERRO | Dome of AZUFRE, CERRO DEL | Northern Chile, Bolivia & Argentina | |
| APACHINSKAIA SOPKA | Synonym of OPALA | Kamchatka Peninsula | |
| APAGADO | Pyroclastic cone | Holocene | Southern Chile & Argentina |
| APAGADO, EL [ESCALANTE] | Stratovolcano of SAIRECABUR | Northern Chile, Bolivia & Argentina | |
| APAKHONCHICH | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| APALE [CERRO AFATE] | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| APALONG | Crater of UMBOI | Northeast of New Guinea | |
| APALSKAIA SOPKA | Synonym of OPALA | Kamchatka Peninsula | |
| APANECA RANGE | Stratovolcanoes | Holocene | El Salvador & Honduras |
| APANECA, CERRO DE | Stratovolcano of APANECA RANGE | El Salvador & Honduras | |
| APANTES, CERRO DE | Cinder cone of SANTIAGO, CERRO | Guatemala | |
| APASTEPE, CERRO | Cinder cone of SAN CRISTOBAL | Nicaragua | |
| APASTEPEQUE FIELD | Volcanic field | Holocene | El Salvador & Honduras |
| APASTEPEQUE, CERRO DE | Dome of APASTEPEQUE FIELD | El Salvador & Honduras | |
| APASTEPEQUE, LAGUNA | Pit crater of APASTEPEQUE FIELD | El Salvador & Honduras | |
| APAXTEPEC | Cinder cone of COLIMA | México | |
| API | Synonym of GUNUNGAPI WETAR | Banda Sea | |
| API SIAU | Synonym of KARANGETANG [API SIAU] | Sangihe Islands | |
| APO | Stratovolcano | Fumarolic | Mindanao |
| APO SPRING | Thermal Feature of APO | Mindanao | |
| APOLIMA | Tuff cone of UPOLU | Samoan & Wallis Islands | |
| APOYEQUE | Pyroclastic shield | Radiocarbon | Nicaragua |
| APOYO | Cone of HOMA MOUNTAIN | Africa (eastern) | |
| APSIAN | Cone of NATIB | Luzon | |
| APUAHOE [ROLLES PEAK] | Stratovolcano of MAROA | New Zealand | |
| ARA-KHANGAY VOLC FIELD | Synonym of TARYATU-CHULUTU | Mongolia | |
| ARA-YAMA | Cone of IZU-TOBU | Honshu | |
| ARA-YAMA | Synonym of NIKKO-SHIRANE | Honshu | |
| ARACAR | Stratovolcano | Uncertain | Northern Chile, Bolivia & Argentina |
| ARADAS, CERRO LAS | Cinder cone of SANTIAGO, CERRO | Guatemala | |
| ARAFO, VOLCAN DE [VOLCAN DE GUIMAR] | Cinder cone of TENERIFE | Canary Islands | |
| ARAGATS | Stratovolcano | Holocene | Caucasus, Georgia & Armenia |
| ARAGATZ | Synonym of ARAGATS | Caucasus, Georgia & Armenia | |
| ARAGAY | Synonym of ARAGATS | Caucasus, Georgia & Armenia | |
| ARAISA | Synonym of ATSONUPURI | Kuril Islands | |
| ARAITO | Synonym of ALAID | Kuril Islands | |
| ARAITO-FUJI | Synonym of ALAID | Kuril Islands | |
| ARAMUACA, LAGUNA | Maar | Holocene | El Salvador & Honduras |
| ARANGUADI | Tuff ring of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| ARARAT | Stratovolcano | Historical | Turkey |
| ARAUMAKUTAN | Synonym of KHARIMKOTAN | Kuril Islands | |
| ARAYAT | Stratovolcano | Holocene? | Luzon |
| ARAYU HOT SPRING | Thermal Feature of TAKAHARA | Honshu | |
| ARBRE | Cone of KARISIMBI | Africa (central) | |
| ARCHIAVERNO | Tuff cone of CAMPI FLEGREI | Italy | |
| ARCTOWSKY | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| ARCTURUS LAKE | Crater of GENOVESA | Galápagos Islands | |
| ARDJOENO [ARJUNO] | Stratovolcano of ARJUNO-WELIRANG | Java | |
| ARDOUKOBA | Fissure vents | Historical | Africa (northeastern) & Red Sea |
| ARDSCHICH DAGH | Synonym of ERCIYES DAGI | Turkey | |
| AREIA, PICO DA | Dome of FURNAS | Azores | |
| AREKIKAPAKAPA | Thermal Feature of ROTORUA | New Zealand | |
| ARENA, MONTANA DE LA | Cone of FUERTEVENTURA | Canary Islands | |
| ARENAL | Stratovolcano | Historical | Costa Rica |
| ARENAL I | Dome of ATACAZO | Ecuador | |
| ARENAL II | Dome of ATACAZO | Ecuador | |
| ARENAL, CERRO | Cinder cone of MASAYA | Nicaragua | |
| ARENAL, VOLCAN | Tuff ring of LANIN | Central Chile & Argentina | |
| ARENALES | Stratovolcano | Historical | Southern Chile & Argentina |
| ARENAS | Cone of HUMEROS, LOS | México | |
| ARENAS | Crater of RUIZ, NEVADO DEL | Colombia | |
| ARENAS, MONTANA DE LAS [VOLCAN DE GUIMAR] | Cinder cone of TENERIFE | Canary Islands | |
| AREQUIPA, VOLCAN DE | Synonym of MISTI, EL | Perú | |
| 'ARES, DJEBEL EL- [JABAL 'URAIS] | Cone of SAWAD, HARRA ES- | Arabia | |
| ARFAT | Synonym of GAMALAMA | Halmahera | |
| ARGAEUS MONS (ARGAIOS) | Synonym of ERCIYES DAGI | Turkey | |
| ARGAPURA | Stratovolcano of IYANG-ARGAPURA | Java | |
| ARGELIA, CERRO DE | Cone of FLORES | Guatemala | |
| ARGOPEORO [ARGAPURA] | Stratovolcano of IYANG-ARGAPURA | Java | |
| ARHAB, HARRA OF | Volcanic field | Historical | Arabia |
| ARICCIA | Maar of ALBAN HILLS | Italy | |
| ARIS ISLAND | Synonym of BOISA | Northeast of New Guinea | |
| ARJUNO-WELIRANG | Stratovolcano | Historical | Java |
| ARKATHIO | Dome of MILOS | Greece | |
| ARMADILLO PEAK | Stratovolcano of EDZIZA | Canada | |
| ARMADO, EL | Cone of TURRIALBA | Costa Rica | |
| ARMADO, ISLA EL | Tuff ring of ZAPATERA | Nicaragua | |
| ARMAGAN | Cone of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| ARMARELO, MONTE | Cone of FOGO | Cape Verde Islands | |
| ARNARDALSOLDUGJOSKA YNGRI | Crater Row of KVERKFJOLL | Iceland (northeastern) | |
| ARNARSETUR | Crater Row of REYKJANES | Iceland (southwestern) | |
| AROOMA | Crater of DUBBI | Africa (northeastern) & Red Sea | |
| AROP | Synonym of LONG ISLAND | Northeast of New Guinea | |
| ARPONG | Cone of ULREUNG | Korea | |
| ARRABALES, CALDERA DE LOS | Cinder cone of FUERTEVENTURA | Canary Islands | |
| ARRAU, VOLCAN | Dome of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| ARRAYANES | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| ARROYO COLORADO | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO IXTAHUATONTE | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO LA CUARTILLA | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO LAS ANIMAS | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO LOS PILAS | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO SAN JOSE | Synonym of JARAGUAY VOLCANIC FIELD | México | |
| ARROYO SAUCILLO | Vent of PRIMAVERA, SIERRA LA | México | |
| ARSHAN | Cinder cones | Radiocarbon | China (eastern) |
| ARSO | Cone of ISCHIA | Italy | |
| ARSO, MONTE | Cinder cone of ETNA | Italy | |
| ARTALI | Synonym of ERTA ALE | Africa (northeastern) & Red Sea | |
| ARTEMISIO | Synonym of ALBAN HILLS | Italy | |
| ARTEMISIO-TUSCOLANA [TUSCOLANA-ARTEMISIO] | Pleistocene caldera of ALBAN HILLS | Italy | |
| ARUBA ROCK | Tuff cone of NAMARUNU | Africa (eastern) | |
| ARUCAS, MONTANA DE | Cone of GRAN CANARIA | Canary Islands | |
| ARUFAT | Synonym of GAMALAMA | Halmahera | |
| ARUFTA | Stratovolcano of GABILLEMA | Africa (northeastern) & Red Sea | |
| ARUICAS, MONTANA | Cone of GRAN CANARIA | Canary Islands | |
| ARUM, GUNUNG | Cone of SUNDORO | Java | |
| ARUSI | Cone of MEGA BASALT FIELD | Africa (northeastern) & Red Sea | |
| AS SAFA | Synonym of ES SAFA | Syria | |
| AS SUMTH [ET-TADAWIN] | Tuff cone of HAYLAN, JABAL | Arabia | |
| ASACHA | Complex volcano | Holocene | Kamchatka Peninsula |
| ASACHA | Synonym of MUTNOVSKY | Kamchatka Peninsula | |
| ASACHA | Synonym of GORELY | Kamchatka Peninsula | |
| ASAHI-DAKE | Stratovolcano of NASU | Honshu | |
| ASAHI-DAKE | Stratovolcano of DAISETSU | Hokkaido | |
| ASAHINA-DAKE | Dome of OSORE-YAMA | Honshu | |
| ASAKIZUKA | Cone of FUJI | Honshu | |
| ASAM, WAI | Thermal Feature of HULUBELU | Sumatra | |
| ASAMA | Complex volcano | Historical | Honshu |
| ASAR | Shield volcano of HENGILL | Iceland (southwestern) | |
| ASASE | Cone of KIKAI | Ryukyu Islands & Kyushu | |
| ASAVIO | Synonym of ASAVYO | Africa (northeastern) & Red Sea | |
| ASAVYO | Shield volcano | Holocene | Africa (northeastern) & Red Sea |
| ASAY KNOLL | Cone of MARKAGUNT PLATEAU | USA (Utah) | |
| ASBORU | Stratovolcano of GABILLEMA | Africa (northeastern) & Red Sea | |
| ASCENSION | Stratovolcano | Holocene | Atlantic Ocean (central) |
| ASDAGA | Synonym of SORK ALE | Africa (northeastern) & Red Sea | |
| ASEBA, OL DOINYO | Cone of CHYULU HILLS | Africa (eastern) | |
| ASH CONE | Cone of MERU | Africa (eastern) | |
| ASH HILL | Tuff cone of AUCKLAND FIELD | New Zealand | |
| ASH MOUNTAIN | Tuya of TUYA VOLCANIC FIELD | Canada | |
| ASH PIT, THE | Cone of SPECTRUM RANGE | Canada | |
| ASHEN HILLS | Cone of MICHAEL | Antarctica & South Sandwich Islands | |
| ASHES VENT FIELD | Thermal Feature of AXIAL SEAMOUNT | Pacific Ocean (northern) | |
| ASHI SHAN | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| ASHTARAK | Pyroclastic Cone of ARAGATS | Caucasus, Georgia & Armenia | |
| 'ASI, HALA-'L- | Tuff cone of 'UWAYRID, HARRAT | Arabia | |
| ASI, MT. | Cone of SAVAI'I | Samoan & Wallis Islands | |
| ASIN | Thermal Feature of PINATUBO | Luzon | |
| ASIN HOT SPRING | Thermal Feature of NATIB | Luzon | |
| ASK | Thermal Feature of DAMAVAND | Iran & Afghanistan | |
| ASKAHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| ASKEDNA HOT SPRING | Thermal Feature of BABUYAN CLARO | North of Luzon | |
| ASKJA | Stratovolcano | Historical | Iceland (northeastern) |
| ASLAJ, JABAL | Cinder cone of KISHB, HARRAT | Arabia | |
| ASMARA | Pyroclastic Cone of DAMA ALI | Africa (northeastern) & Red Sea | |
| ASO | Caldera | Historical | Ryukyu Islands & Kyushu |
| ASO-SAN | Synonym of ASO | Ryukyu Islands & Kyushu | |
| ASO-UCHINOMAKI | Thermal Feature of ASO | Ryukyu Islands & Kyushu | |
| ASOBENOMORI | Synonym of IWAKI | Honshu | |
| ASOG | Synonym of IRIGA | Luzon | |
| ASOMADA, MONTANA DE | Cinder cone of HIERRO | Canary Islands | |
| ASOMADAS NEGRAS, MONTANA | Cinder cone of HIERRO | Canary Islands | |
| ASOSOSCA, CERRO | Stratovolcano of PILAS, LAS | Nicaragua | |
| ASOSOSCA, LAGUNA DE | Maar of PILAS, LAS | Nicaragua | |
| ASOSOSCA, LAGUNA DE | Crater of NEJAPA-MIRAFLORES | Nicaragua | |
| ASPERO, CERRO | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| ASPRONISI | Tuff ring of SANTORINI | Greece | |
| ASSAB VOLCANIC FIELD | Volcanic field | Holocene | Africa (northeastern) & Red Sea |
| ASSALO | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| ASSIRMATSKY | Synonym of EBEKO | Kuril Islands | |
| ASSONGSONG | Synonym of ASUNCION | Izu, Volcano, & Mariana Islands | |
| ASTILLERO, CERRITO EL | Lava cone of CHIQUIMULA VOLCANIC FIELD | Guatemala | |
| ASTILLERO, CERRO EL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| ASTILLERO, CERRO EL | Cinder cone of SANTA ANA | El Salvador & Honduras | |
| ASTROL, PUIG | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| ASTRONI | Tuff ring of CAMPI FLEGREI | Italy | |
| ASUNCION | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| ASUNCION, LA | Cone of SUCHITAN | Guatemala | |
| ASUR | Synonym of YASUR | Vanuatu | |
| AT-TABAB | Tuff cone of BAL HAF, HARRA OF | Arabia | |
| ATACAMA, VOLCAN DE | Synonym of LICANCABUR | Northern Chile, Bolivia & Argentina | |
| ATACAMA, VOLCAN DE | Synonym of LASTARRIA | Northern Chile, Bolivia & Argentina | |
| ATACAZO | Stratovolcano | Radiocarbon | Ecuador |
| ATAGAWA-KAIKYU | Submarine vent of IZU-TOBU | Honshu | |
| ATAKOR VOLCANIC FIELD | Scoria cones | Holocene | Africa (northern) |
| ATALAYA, LA | Cone of TENERIFE | Canary Islands | |
| ATAPIJUK, BUKIT | Cone of HUTAPANJANG | Sumatra | |
| ATCHI-YAMA [ACHI-YAMA] | Dome of NII-JIMA | Izu, Volcano, & Mariana Islands | |
| ATEXCAC, LAGUNA | Maar of SERDAN-ORIENTAL | México | |
| ATIAMURI | Thermal Feature of MAROA | New Zealand | |
| ATIMBIA, MT. | Cone of SAN PABLO VOLCANIC FIELD | Luzon | |
| ATITLAN | Stratovolcano | Historical | Guatemala |
| ATKA | Stratovolcanoes | Historical | Aleutian Islands |
| ATLACORRA, VOLCAN | Cinder cone of CHICHINAUTZIN | México | |
| ATLAS, MOUNT [MOUNT PLEIONES] | Stratovolcano of PLEIADES, THE | Antarctica & South Sandwich Islands | |
| ATLASOV (ATLASOVA) | Synonym of NYLGIMELKIN | Kamchatka Peninsula | |
| ATLASOV | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| ATLIN VOLCANIC FIELD | Cinder cones | Holocene | Canada |
| ATLIXCOS, LOS | Shield volcano | Holocene | México |
| ATOSA (ATOSANOBORI) | Synonym of ATSONUPURI | Kuril Islands | |
| ATOSANUPURI | Dome of KUTCHARO | Hokkaido | |
| ATOSANUPURI | Synonym of ATSONUPURI | Kuril Islands | |
| ATSONUPURI | Stratovolcano | Historical | Kuril Islands |
| ATTALORA, CUDDIA | Cone of PANTELLERIA | Italy | |
| ATTI-YAMA [ACHI-YAMA] | Dome of NII-JIMA | Izu, Volcano, & Mariana Islands | |
| ATTUS | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| ATUEL, CALDERA DEL | Caldera | Holocene | Central Chile & Argentina |
| ATUG | Cone of MOTLAV | Vanuatu | |
| ATUK MOUNTAIN | Cone of KOOKOOLIGIT MOUNTAINS | Alaska (western) | |
| ATUNAPARA | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| ATUPUTIH | Cone of KEMBAR | Sumatra | |
| ATWELL PEAK | Dome of GARIBALDI | Canada | |
| AUCANQUILCHA | Stratovolcano | Pleistocene-Fumarolic | Northern Chile, Bolivia & Argentina |
| AUCKLAND FIELD | Volcanic field | Radiocarbon | New Zealand |
| AUEL | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| AUGUSTINE | Lava domes | Historical | Alaska (southwestern) |
| AUNUU ISLAND | Tuff cone of TUTUILA | Samoan & Wallis Islands | |
| AUQUIHUATO, CERRO | Cinder cone | Holocene? | Perú |
| AURUHOE [NGAURUHOE] | Stratovolcano of TONGARIRO | New Zealand | |
| AUSOLES | See proper name (e.g. SAN VICENTE, AUSOLES DE) | Spanish for FUMAROLE FIELD | |
| AUSTURHRAUN | Fissure vent of HEKLA | Iceland (southern) | |
| AUVERGNE, MONTS D' | Synonym of CHAINE DES PUYS | Western Europe | |
| AVACHA | Synonym of AVACHINSKY | Kamchatka Peninsula | |
| AVACHI | Cone of AVACHINSKY | Kamchatka Peninsula | |
| AVACHINSKAIA, SOPKA | Synonym of AVACHINSKY | Kamchatka Peninsula | |
| AVACHINSKY | Stratovolcano | Historical | Kamchatka Peninsula |
| AVAZAN | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| AVDALSMOYA | Dome of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| AVERNO | Tuff ring of CAMPI FLEGREI | Italy | |
| AVLHAUGENE | Tuff ring of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| AWAATUA BAY | Crater of OKATAINA | New Zealand | |
| AWARU RIVER | Synonym of MUSA RIVER | New Guinea & D'Entrecasteaux Islands | |
| AWASA | Pleistocene caldera of CORBETTI CALDERA | Africa (northeastern) & Red Sea | |
| AWATSCHA (AWATSCHINSKIJ) | Synonym of AVACHINSKY | Kamchatka Peninsula | |
| 'AWAYRIDH, HARRAT EL- | Synonym of 'UWAYRID, HARRAT | Arabia | |
| AWIBENGKOK | Thermal Feature of PERBAKTI-GAGAK | Java | |
| AWOE | Synonym of AWU | Sangihe Islands | |
| AWOEH | Synonym of KARANGETANG [API SIAU] | Sangihe Islands | |
| AWU | Stratovolcano | Historical | Sangihe Islands |
| AXIAL GARDENS VENT FIELD | Thermal Feature of AXIAL SEAMOUNT | Pacific Ocean (northern) | |
| AXIAL SEAMOUNT | Submarine volcano | Historical | Pacific Ocean (northern) |
| AXLARGIGUR | Fissure vent of HEKLA | Iceland (southern) | |
| AXUSCO [LAGUNA DE ASOSOSCA] | Maar of PILAS, LAS | Nicaragua | |
| AY-ALU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AYAGSH | Synonym of MAKUSHIN | Aleutian Islands | |
| AYAKAN | Crater of GUNTUR | Java | |
| AYAKTAS TEPE | Cone of ACIGOL-NEVSEHIR | Turkey | |
| AYALU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AYAQUEME, CERRO | Cone of CHICHINAUTZIN | México | |
| AYECO [MALA CARA] | Stratovolcano of SANTA ANA | El Salvador & Honduras | |
| AYELU | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| AYER PANAS | Thermal Feature of LUMUT BALAI, BUKIT | Sumatra | |
| AYGIRGOLU | Maar of SUPHAN DAGI | Turkey | |
| AYMOND | Cinder cone of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| AYYALU | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| AZAFATUDO, CERRO | Synonym of SOTARA | Colombia | |
| AZAS PLATEAU | Volcanic field | Holocene | Russia (southeastern) |
| AZEITONA, PICO DA | Cone of FURNAS | Azores | |
| AZHDAHAK | Cone of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| AZUCAR, PITON DE [PICO DEL TEIDE] | Stratovolcano of TENERIFE | Canary Islands | |
| AZUFRADO | Stratovolcano of PLATANAR | Costa Rica | |
| AZUFRADOS, BANOS | Thermal Feature of ALMOLONGA | Guatemala | |
| AZUFRAL | Thermal Feature of TECUAMBURRO | Guatemala | |
| AZUFRAL | Stratovolcano | Radiocarbon | Colombia |
| AZUFRAL DE TUQUERRES | Synonym of AZUFRAL | Colombia | |
| AZUFRAL, EL | Crater of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| AZUFRALES | Thermal Feature of RINCON DE LA VIEJA | Costa Rica | |
| AZUFRE | Caldera of PLANCHON-PETEROA | Central Chile & Argentina | |
| AZUFRE, BANOS | Thermal Feature of PLANCHON-PETEROA | Central Chile & Argentina | |
| AZUFRE, CERRO DE | Synonym of LASTARRIA | Northern Chile, Bolivia & Argentina | |
| AZUFRE, CERRO DE | Synonym of COPIAPO | Northern Chile, Bolivia & Argentina | |
| AZUFRE, CERRO DEL | Stratovolcano | Holocene? | Northern Chile, Bolivia & Argentina |
| AZUFRE, MT. | Thermal Feature of MANDALAGAN | Central Philippines | |
| AZUFRE, VOLCAN DE | Thermal Feature of NEGRA, SIERRA | Galápagos Islands | |
| AZUFRE, VOLCAN EL | Stratovolcano of TRES VIRGENES | México | |
| AZUFRE-PLACHON-PETEROA | Synonym of PLANCHON-PETEROA | Central Chile & Argentina | |
| AZUFREAS, VOLCAN | Stratovolcano of TINGUIRIRICA | Central Chile & Argentina | |
| AZUFRERA AGUAS CALIENTES, CERRO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| AZUFRERA PERRO MUERTO, CERRO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| AZUFRERA YACIMIENTO, CERRO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| AZUFRERAS TUYAJTO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| AZUFRERES, LAS [LOS AZUFRES] | Thermal Feature of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| AZUFRES, LOS | Caldera | Pleistocene-Fumarolic | México |
| AZUFRES, LOS | Thermal Feature of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| AZUL, CERRO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| AZUL, CERRO | Shield volcano | Historical | Galápagos Islands |
| AZUL, CERRO | Cone of SAN CRISTOBAL | Galápagos Islands | |
| AZUL, CERRO | Stratovolcano | Historical | Central Chile & Argentina |
| AZUL, VOLCAN | Cinder cones | Holocene | Nicaragua |
| AZUMA | Stratovolcanoes | Historical | Honshu |
| AZUMA-KOFUJI | Cone of AZUMA | Honshu | |
| AZUMA-KOHUZI [AZUMA-KOFUJI] | Cone of AZUMA | Honshu | |
| AZUMA-YAMA | Dome of UNZEN | Ryukyu Islands & Kyushu | |
| AZUMA-YAMA | Synonym of FUJI | Honshu | |
| BA, JABAL [JABAL BA'A] | Cone of BIRK, HARRAT AL | Arabia | |
| BA'A, JABAL | Cone of BIRK, HARRAT AL | Arabia | |
| BAARLEY | Cinder cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| BABASE | Stratovolcano of AMBITLE | New Ireland | |
| BABBINGTONS HILL | Dome of NEWER VOLCANICS PROV | Australia | |
| BABILONIA, CERRO | Stratovolcano of YOJOA, LAKE | El Salvador & Honduras | |
| BABIY KAMEN | Dome of BARKHATNAYA SOPKA | Kamchatka Peninsula | |
| BABUYAN CLARO | Stratovolcanoes | Historical | North of Luzon |
| BABUYAN, MT. [SMITH VOLCANO] | Cinder cone of BABUYAN CLARO | North of Luzon | |
| BACHELOR | Stratovolcano | Tephrochronology | USA (Oregon) |
| BACHELOR BUTTE | Synonym of BACHELOR | USA (Oregon) | |
| BACKLOCKDAM | Crater of HALLA | Korea | |
| BACOLI | Crater of CAMPI FLEGREI | Italy | |
| BACON-MANITO COMPLEX | Synonym of POCDOL MOUNTAINS | Luzon | |
| BADAK | Crater of KELUT | Java | |
| BADAK, KAWAH | Crater of TANGKUBANPARAHU | Java | |
| BADDI KOMA | Tuff cone of ARDOUKOBA | Africa (northeastern) & Red Sea | |
| BADGER PEAK | Cone of MEDICINE LAKE | USA (California) | |
| BADILLO CRATER | Maar of PINACATE | México | |
| BADJINI | Cone of KARTHALA | Indian Ocean (western) | |
| BADLANDS | Synonym of ELMENTEITA BADLANDS | Africa (eastern) | |
| BADSVALLAGIGIR | Crater Row of REYKJANES | Iceland (southwestern) | |
| BAEGDU | Synonym of CHANGBAISHAN | China (eastern) | |
| BAEJARHRAUN | Fissure vent of HEKLA | Iceland (southern) | |
| BAEKDOOSAN | Synonym of CHANGBAISHAN | China (eastern) | |
| BAGA TOGO UUL | Cinder cone of KHANUY GOL | Mongolia | |
| BAGAGAURE | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| BAGANA | Lava cone | Historical | Bougainville & Solomon Islands |
| BAGIAI | Cone of KARKAR | Northeast of New Guinea | |
| BAGUSA | Crater of BUNYARUGURU | Africa (central) | |
| BAIA | Tuff ring of CAMPI FLEGREI | Italy | |
| BAIA DI LEVANTE | Thermal Feature of VULCANO | Italy | |
| BAIDJAN | Thermal Feature of DAMAVAND | Iran & Afghanistan | |
| BAISHAN [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| BAITOUSHAN | Synonym of CHANGBAISHAN | China (eastern) | |
| BAIYUDA VOLC FIELD | Synonym of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| BAJAWA | Thermal Feature of INIERIE | Lesser Sunda Islands | |
| BAKAL | Cone of ARJUNO-WELIRANG | Java | |
| BAKANG (BAKANGIN) | Synonym of BAKENING | Kamchatka Peninsula | |
| BAKENING | Stratovolcano | Tephrochronology | Kamchatka Peninsula |
| BAKENING | Stratovolcano | Tephrochronology | Kamchatka Peninsula |
| BAKER | Stratovolcanoes | Historical | USA (Washington) |
| BAKER HOT SPRINGS | Thermal Feature of BAKER | USA (Washington) | |
| BAKIA WARM SPRINGS | Thermal Feature of BANAHAW | Luzon | |
| BAKKENIN | Synonym of BAKENING | Kamchatka Peninsula | |
| BAL HAF, HARRA OF | Volcanic field | Holocene | Arabia |
| BALAI, BUKIT | Stratovolcano of LUMUT BALAI, BUKIT | Sumatra | |
| BALAK | Caldera of SEKINCAU BELIRANG | Sumatra | |
| BALANTOK | Cone of TAAL | Luzon | |
| BALASTRERA, EL CERRITO [CERRO EL CERRITO] | Cinder cone of SAN SALVADOR | El Salvador & Honduras | |
| BALATOCAN | Synonym of BALATUKAN | Mindanao | |
| BALATUKAN | Compound volcano | Uncertain | Mindanao |
| BALBI | Stratovolcano | Holocene | Bougainville & Solomon Islands |
| BALD CRATER | Cinder cone of CRATER LAKE | USA (Oregon) | |
| BALD KNOLL | Cinder cones | Holocene | USA (Utah) |
| BALENG | Maar of OKU VOLCANIC FIELD | Africa (western) | |
| BALI, PEAK OF | Synonym of AGUNG | Lesser Sunda Islands | |
| BALILE | Cone of ILIBOLENG | Lesser Sunda Islands | |
| BALINGOAN | Synonym of BALATUKAN | Mindanao | |
| BALJANE | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BALLENA, CERRO | Tuff cone of NEGRA, SIERRA | Galápagos Islands | |
| BALMANN, PITON DE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BALMET, PUY | Cone of CHAINE DES PUYS | Western Europe | |
| BALONG ANITO | Thermal Feature of MARIVELES | Luzon | |
| BALUAN | Stratovolcano | Holocene? | Admiralty Islands |
| BALURAN | Stratovolcano | Holocene? | Java |
| BALUSAN | Synonym of BULUSAN | Luzon | |
| BALUT | Stratovolcano | Fumarolic | Mindanao |
| BAM | Stratovolcano | Historical | Northeast of New Guinea |
| BAMAOQIONGZHONG | Shield volcano of UNNAMED | China (western) | |
| BAMBANG, GUNUNG | Maar of MURIA | Java | |
| BAMBULUWE, LAKE | Maar of OKU VOLCANIC FIELD | Africa (western) | |
| BAMNI | Synonym of PORAK | Caucasus, Georgia & Armenia | |
| BAMUS | Stratovolcano | Anthropology | New Britain |
| BAN-YAGAMINE | Stratovolcano of KUCHINOERABU-JIMA | Ryukyu Islands & Kyushu | |
| BANAHAO | Synonym of BANAHAW | Luzon | |
| BANAHAW | Complex volcano | Holocene | Luzon |
| BANAHAW DE LUCBAN | Stratovolcano of BANAHAW | Luzon | |
| BANAJAO | Synonym of BANAHAW | Luzon | |
| BANBANLONGWAN | Crater of LONGGANG GROUP | China (eastern) | |
| BANCAH CALDERA | Caldera of MARAPI | Sumatra | |
| BANCEN | Thermal Feature of MERBABU | Java | |
| BANCO DI NISIDA | Tuff cone of CAMPI FLEGREI | Italy | |
| BANCO MISENO | Cone of CAMPI FLEGREI | Italy | |
| BANDA API | Caldera | Historical | Banda Sea |
| BANDAI | Stratovolcano | Historical | Honshu |
| BANDAI-SAN | Synonym of BANDAI | Honshu | |
| BANDAIKO HOT SPRINGS | Thermal Feature of KUSATSU-SHIRANE | Honshu | |
| BANDAMA, CALDERA DE | Maar of GRAN CANARIA | Canary Islands | |
| BANDERA CRATER | Cone of ZUNI-BANDERA | USA (New Mexico) | |
| BANDERA LAVA FIELD | Synonym of ZUNI-BANDERA | USA (New Mexico) | |
| BANDERA, CERRO | Cinder cone of ZUNI-BANDERA | USA (New Mexico) | |
| BANDERA, CERRO DE LA | Synonym of CONCHAGUA | El Salvador & Honduras | |
| BANDERAS, CERRO LAS | Dome of ZAPATERA | Nicaragua | |
| BANGA-BANGA | Dome of LABO | Luzon | |
| BANGESHAN | Cone of TENGCHONG | Southeast Asia | |
| BANGO | Synonym of PAGO | New Britain | |
| BANI ABDULLAH, HARRAT | Volcanic field of RAHAT, HARRAT | Arabia | |
| BANNIERES, PUY DES | Cone of CHAINE DES PUYS | Western Europe | |
| BANOEA WOEHOE | Synonym of BANUA WUHU | Sangihe Islands | |
| BANOS | See proper name (e.g. AZUFRADOS, BANOS) | Spanish for SPA | |
| BANOS, CRATERES DE LOS | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| BANOS, LOS | Thermal Feature of TROMEN | Central Chile & Argentina | |
| BANOS, NEVADO DE LOS | Synonym of PLANCHON-PETEROA | Central Chile & Argentina | |
| BANTJAH CALDERA [BANCAH CALDERA] | Caldera of MARAPI | Sumatra | |
| BANUA BAUJA (BANUA BAUYA) | Synonym of BANUA WUHU | Sangihe Islands | |
| BANUA WUHU | Submarine volcano | Historical | Sangihe Islands |
| BANYUDENG HOT SPRING | Thermal Feature of BRATAN | Lesser Sunda Islands | |
| BAR-ALI | Cone of DABBAYRA | Africa (northeastern) & Red Sea | |
| BAR-ALI | Cone of DABBAYRA | Africa (northeastern) & Red Sea | |
| BARACHUMA, GOF | Maar of MARSABIT | Africa (eastern) | |
| BARAHONA, CERRO | Pyroclastic Cone of NEGRA, SIERRA | Galápagos Islands | |
| BARANII [BARANY] | Stratovolcano of GAMCHEN | Kamchatka Peninsula | |
| BARANII AMPHITHEATER [BARANY AMPHITHEATER} | Crater of OPALA | Kamchatka Peninsula | |
| BARANSKII | Synonym of BARANSKY | Kuril Islands | |
| BARANSKY | Stratovolcano | Historical | Kuril Islands |
| BARANY | Stratovolcano of GAMCHEN | Kamchatka Peninsula | |
| BARANY AMPHITHEATER | Crater of OPALA | Kamchatka Peninsula | |
| BARARUMBO | Cone of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| BARBA | Synonym of BARVA | Costa Rica | |
| BARBERENA, CERRITO DE | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| BARCENA | Cinder cones | Historical | México |
| BARDARBUNGA | Stratovolcano | Historical | Iceland (northeastern) |
| BARDARLAUG | Cone of SNAEFELLSJOKULL | Iceland (western) | |
| BARE MOUNTAIN | Cone of WEST CRATER | USA (Washington) | |
| BARICCIA [BERICHA] | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BARICHA [BERICHA] | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BARIK | Stratovolcano of UMBOI | Northeast of New Guinea | |
| BARKHATNAYA | Cone of VILYUCHIK | Kamchatka Peninsula | |
| BARKHATNAYA SOPKA | Lava domes | Tephrochronology | Kamchatka Peninsula |
| BARME, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| BARNABE, PICO | Dome of AGUA DE PAU | Azores | |
| BARNABORG | Cone of LJOSUFJOLL | Iceland (western) | |
| BAROMBE KOTO, LAKE | Maar of TOMBEL GRABEN | Africa (western) | |
| BAROMBE MBO, LAKE | Maar of TOMBEL GRABEN | Africa (western) | |
| BAROS | Cone of SIBAYAK | Sumatra | |
| BARRANCAS, CERRO | Cone of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| BARRANCAS, VOLCAN | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| BARRANCO NEGRO, CERRO | Cinder cone of CINOTEPEQUE, CERRO | El Salvador & Honduras | |
| BARRANCO, EL | Maar of COSIGUINA | Nicaragua | |
| BARRANES COLORADO | Cone of HUEQUI | Southern Chile & Argentina | |
| BARRANTES, LOMA | Cinder cone of PLATANAR | Costa Rica | |
| BARREN ISLAND | Stratovolcano | Historical | Andaman Islands |
| BARRERA, CERRO | Cone of TENORIO | Costa Rica | |
| BARRIER, THE | Shield volcano | Historical | Africa (eastern) |
| BARTHOLOME, PIC | Stratovolcano of KARISIMBI | Africa (central) | |
| BARTHOLOMEW ISLAND | Crater of SANTIAGO | Galápagos Islands | |
| BARU | Crater of GEDE | Java | |
| BARU | Stratovolcano | Historical | Panamá |
| BARU [GUNUNG BARUJARI] | Cone of RINJANI | Lesser Sunda Islands | |
| BARU, KABA | Crater of KABA | Sumatra | |
| BARU, KAWAH | Crater of TANGKUBANPARAHU | Java | |
| BARU, KAWAH | Crater of PAPANDAYAN | Java | |
| BARUJARI, GUNUNG | Cone of RINJANI | Lesser Sunda Islands | |
| BARUN-NERTE-ULA | Cone of DARIGANGA VOLCANIC FIELD | Mongolia | |
| BARUS, BUKIT | Cone of SIBAYAK | Sumatra | |
| BARUTA | Stratovolcano of NYIRAGONGO | Africa (central) | |
| BARVA | Complex volcano | Tephrochronology | Costa Rica |
| BAS DONG NAI | Volcanic field | Holocene? | Southeast Asia |
| BASANJO | Synonym of LENGAI, OL DOINYO | Africa (eastern) | |
| BASAR | Synonym of BESAR | Sumatra | |
| BASEN | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BASILE, PICO DE | Synonym of SANTA ISABEL | Africa (western) | |
| BASILUZZO | Dome of PANAREA | Italy | |
| BASS MARLE | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BASSO NAROK | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BASTIONI HILL | Dome of MERU | Africa (eastern) | |
| BASTON | Crater of GALERAS | Colombia | |
| BASU | Cinder cone of SAN QUINTIN VOLCANIC FIELD | México | |
| BATANG | Dome of MERAPI | Java | |
| BATAPONA MOUNTAIN | Cone of BALUAN | Admiralty Islands | |
| BATEA, LA | Cone of MICHOACAN-GUANAJUATO | México | |
| BATHHOUSE SPRING | Thermal Feature of VALLES CALDERA | USA (New Mexico) | |
| BATIDORAS, LAS | Thermal Feature of COSIGUINA | Nicaragua | |
| BATOE | See proper name (e.g. TARA, BATOE) | Dutch spelling of Indonesian word for MT. | |
| BATOER | Synonym of BATUR | Lesser Sunda Islands | |
| BATOK | Cinder cone of TENGGER CALDERA | Java | |
| BATOR | Synonym of BATUR | Lesser Sunda Islands | |
| BATSHRAUN | Fissure vent of ASKJA | Iceland (northeastern) | |
| BATU | See proper name (e.g. ANGUS, BATU) | Indonesian for MT. | |
| BATU FIELD | Thermal Feature of KEMBAR | Sumatra | |
| BATUAN, MT. | Cone of BULUSAN | Luzon | |
| BATUHARANG, DOLOK | Cone of TOBA | Sumatra | |
| BATUKAU | Stratovolcano of BRATAN | Lesser Sunda Islands | |
| BATUKOLOK | Thermal Feature of TONDANO CALDERA | Sulawesi | |
| BATULAO, MT. | Stratovolcano of TAAL | Luzon | |
| BATUR | Caldera | Historical | Lesser Sunda Islands |
| BATURITI HOT SPRING | Thermal Feature of BRATAN | Lesser Sunda Islands | |
| BATUWALANG MERAPI | Stratovolcano of MERAPI | Java | |
| BAUL, EL [CERRO TECUN UMAN] | Dome of ALMOLONGA | Guatemala | |
| BAY OF ISLANDS | Synonym of KAIKOHE-BAY OF ISLANDS | New Zealand | |
| BAYABES | Dome of LABO | Luzon | |
| BAYAN-TSAGAN | Cone of DARIGANGA VOLCANIC FIELD | Mongolia | |
| BAYAQUITOS, MT. | Cone of SAN PABLO VOLCANIC FIELD | Luzon | |
| BAYDA, JABAL | Tuff cone of KHAYBAR, HARRAT | Arabia | |
| BAYO, CERRO | Complex volcano | Holocene | Northern Chile, Bolivia & Argentina |
| BAYO, CERRO | Cone of TROMEN | Central Chile & Argentina | |
| BAYONESU-GANSHO | Synonym of BAYONNAISE ROCKS | Izu, Volcano, & Mariana Islands | |
| BAYONNAISE REEF | Synonym of BAYONNAISE ROCKS | Izu, Volcano, & Mariana Islands | |
| BAYONNAISE ROCKS | Submarine volcano | Historical | Izu, Volcano, & Mariana Islands |
| BAYUDA VOLCANIC FIELD | Cinder cones | Radiocarbon | Africa (northern) |
| BAYUYO | Vent of FUERTEVENTURA | Canary Islands | |
| BAZMAN | Stratovolcano | Fumarolic | Iran & Afghanistan |
| BEAGLE | Tuff cone of DARWIN | Galápagos Islands | |
| BEAR BUTTE | Cone of CRATER LAKE | USA (Oregon) | |
| BEAR WALLOW BUTTE | Cinder cone of TUMBLE BUTTES | USA (California) | |
| BEARHEAD PEAK | Dome of VALLES CALDERA | USA (New Mexico) | |
| BEARPAW BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| BEAULOUP, MAAR DE | Maar of CHAINE DES PUYS | Western Europe | |
| BEAUNIT, CRATERE DE | Maar of CHAINE DES PUYS | Western Europe | |
| BEAVER RIDGE | Vent of BLACK ROCK DESERT | USA (Utah) | |
| BECCO, MT. | Cone of VULSINI | Italy | |
| BEDALI, RANU | Maar of LAMONGAN | Java | |
| BEDR, HALA-'L- | Cone of 'UWAYRID, HARRAT | Arabia | |
| BEDUL | Cone of ST. ANDREW STRAIT | Admiralty Islands | |
| BEEHIVES, THE | Dome of TARANAKI [EGMONT] | New Zealand | |
| BEEHIVES, THE [DAVAPIA ROCKS] | Cone of RABAUL | New Britain | |
| BEERENBERG | Stratovolcano of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BEGOUR | Maar of TOH, TARSO | Africa (northern) | |
| BEHM CANAL-RUDYERD BAY | Cinder cones | Holocene? | Alaska (eastern) |
| BEIGELAQIUSHAN | Cone of WUDALIANCHI | China (eastern) | |
| BEIHUOKOU | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| BEJENADO | Stratovolcano of LA PALMA | Canary Islands | |
| BEKEL, GUNUNG | Dome of PENANGGUNGAN | Java | |
| BELAIA SOPKA | Synonym of ICHINSKY | Kamchatka Peninsula | |
| BELAYA | Synonym of GREAT SITKIN | Aleutian Islands | |
| BELENKAYA | Stratovolcano | Holocene | Kamchatka Peninsula |
| BELERANG, GUNUNG | Synonym of COLO [UNA UNA] | Sulawesi | |
| BELESME | Cone of ERCIYES DAGI | Turkey | |
| BELFOND | Dome of QUALIBOU | West Indies | |
| BELIANKIN | Stratovolcano of AKADEMIA NAUK | Kamchatka Peninsula | |
| BELIANKIN [BELYANKIN] | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BELINDA, MOUNT | Cone of MONTAGU ISLAND | Antarctica & South Sandwich Islands | |
| BELIRANG | Crater of SUMBING | Sumatra | |
| BELIRANG | Caldera of SEKINCAU BELIRANG | Sumatra | |
| BELIRANG | Thermal Feature of HULUBELU | Sumatra | |
| BELIRANG, GUNUNG | Synonym of KUNYIT | Sumatra | |
| BELIRANG-BERITI | Compound volcano | Fumarolic | Sumatra |
| BELKNAP | Shield volcanoes | Radiocarbon | USA (Oregon) |
| BELLAIRE, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| BELLAVISTA | Crater of CAMPI FLEGREI | Italy | |
| BELLAVISTA, CERRO | Cinder cone of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| BELLAVISTA, LOMA | Cinder cone of LICTO | Ecuador | |
| BELLEVUE MOUNTAIN | Dome of DIABLES, MORNE AUX | West Indies | |
| BELLINGSHAUSEN ISLAND | Submarine vent of THULE ISLANDS | Antarctica & South Sandwich Islands | |
| BELLIZZI, CUDDIE | Vent of PANTELLERIA | Italy | |
| BELOW, MOUNT [MOUNT TALAWE] | Stratovolcano of LANGILA | New Britain | |
| BELU | Cone of INIERIE | Lesser Sunda Islands | |
| BELU, WAI | Thermal Feature of HULUBELU | Sumatra | |
| BELVEDERE | Crater of CAMPI FLEGREI | Italy | |
| BELVEDERE | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| BELY | Shield volcanoes | Holocene? | Kamchatka Peninsula |
| BELYANKIN | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BELYI | Synonym of BELY | Kamchatka Peninsula | |
| BEN LOMOND | Dome of MAROA | New Zealand | |
| BEN LOMOND | Dome of TAUPO | New Zealand | |
| BENBOW | Crater of AMBRYM | Vanuatu | |
| BENDA | Synonym of DAKATAUA | New Britain | |
| BENGO, CERRO | Cinder cone of APASTEPEQUE FIELD | El Salvador & Honduras | |
| BENI HILAL, HARRA | Synonym of BIRK, HARRAT AL | Arabia | |
| BENI MAIMUN | Crater of ARHAB, HARRA OF | Arabia | |
| BENI ZUBEIR | Crater of ARHAB, HARRA OF | Arabia | |
| BEPPU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| BERAPI | Synonym of MARAPI | Sumatra | |
| BERAPI | Synonym of KERINCI | Sumatra | |
| BERAPI-ELOK | Crater of KERINCI | Sumatra | |
| BERCEK, KAWAH | Thermal Feature of KAMOJANG, KAWAH | Java | |
| BERESOWSKAJA | Synonym of KARYMSKY | Kamchatka Peninsula | |
| BEREZOVAIA SOPKA | Synonym of KARYMSKY | Kamchatka Peninsula | |
| BEREZOVY | Cinder cone of ZAVARITSKY | Kamchatka Peninsula | |
| BEREZOVY | Stratovolcano of MALY SEMIACHIK | Kamchatka Peninsula | |
| BERG | Somma volcano of KOLOKOL GROUP | Kuril Islands | |
| BERG ISI [JABAL EL-ESI] | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| BERGHOLL | Shield volcano of REYKJANES | Iceland (southwestern) | |
| BERGJE | Dome of QUILL, THE | West Indies | |
| BERGVATNSARHRAUN | Crater Row of GRIMSVOTN | Iceland (northeastern) | |
| BERICCIO | Pumice cone of BORA-BERICCIO | Africa (northeastern) & Red Sea | |
| BERICHA | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BERICHA | Synonym of BORA-BERICCIO | Africa (northeastern) & Red Sea | |
| BERING | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BERITARIBI | Synonym of BERUTARUBE | Kuril Islands | |
| BERLIN | Pleistocene caldera of TECAPA | El Salvador & Honduras | |
| BERLIN | Shield volcanoes | Ar/Ar | Antarctica & South Sandwich Islands |
| BERLIN-TECAPA | Synonym of TECAPA | El Salvador & Honduras | |
| BERMEJA, MONTANA | Cone of FUERTEVENTURA | Canary Islands | |
| BERMEJA, MONTANA | Cone of LANZAROTE | Canary Islands | |
| BERNA | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BERNADSKOGO [VERNADSKIY] | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BERRAZALES | Thermal Feature of GRAN CANARIA | Canary Islands | |
| BERRITARABENOBORI | Synonym of BERUTARUBE | Kuril Islands | |
| BERTI HILLS | Synonym of KUTUM VOLCANIC FIELD | Africa (northern) | |
| BERTJEK, KAWAH [KAWAH BERCEK] | Thermal Feature of KAMOJANG, KAWAH | Java | |
| BERU | Volcanic field | Holocene | Africa (northeastern) & Red Sea |
| BERUTARUBE | Stratovolcano | Holocene | Kuril Islands |
| BESAR | Stratovolcano ? | Historical | Sumatra |
| BESAR, KABA [LAMA, KABA] | Crater of KABA | Sumatra | |
| BESER | Stratovolcano of SUMBING | Java | |
| BESSIE BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| BESYMYANNAYA | Synonym of BEZYMIANNY | Kamchatka Peninsula | |
| BETAFO | Cone of ANKARATRA FIELD | Indian Ocean (western) | |
| BEYONESU-RETUGAN | Synonym of BAYONNAISE ROCKS | Izu, Volcano, & Mariana Islands | |
| BEZYMIANNY | Stratovolcano | Historical | Kamchatka Peninsula |
| BEZYMJANNAJA SOPKA | Synonym of BEZYMIANNY | Kamchatka Peninsula | |
| BEZYMYANNAYA | Dome of UZON | Kamchatka Peninsula | |
| BEZYMYANNYI | Synonym of BEZYMIANNY | Kamchatka Peninsula | |
| BIAM | Synonym of BAM | Northeast of New Guinea | |
| BIAO, PICO | Synonym of SAN JOAQUIN | Africa (western) | |
| BIBI, GUNUNG | Cone of MERAPI | Java | |
| BIBINOI | Stratovolcanoes | Holocene | Halmahera |
| BICHBALICK [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| BIEI-DAKE | Stratovolcano of TOKACHI | Hokkaido | |
| BIEI-FUJI | Stratovolcano of TOKACHI | Hokkaido | |
| BIEM | Synonym of BAM | Northeast of New Guinea | |
| BIETE MENGEST | Tuff ring of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| BIG BEN | Stratovolcano of HEARD | Indian Ocean (southern) | |
| BIG BOMB CRATER | Cinder cone of DIAMOND CRATERS | USA (Oregon) | |
| BIG CINDER BUTTE | Cinder cone of CRATERS OF THE MOON | USA (Idaho) | |
| BIG CRATERS | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| BIG GLASS MOUNTAIN [GLASS MOUNTAIN] | Dome of MEDICINE LAKE | USA (California) | |
| BIG GREEN HILL | Cinder cone of TRISTAN DA CUNHA | Atlantic Ocean (southern) | |
| BIG HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| BIG JOHN | Former crater of WHITE ISLAND | New Zealand | |
| BIG LAVA BED CONE | Cinder cone of INDIAN HEAVEN | USA (Washington) | |
| BIG MT. WORRI | Cone of GARUA HARBOUR | New Britain | |
| BIG OBSIDIAN FLOW | Vent of NEWBERRY | USA (Oregon) | |
| BIG SAND BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| BIHADI | Crater of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| BIHIRAM | Cone of KARISIMBI | Africa (central) | |
| BIHUNDE | Cone of NYAMURAGIRA | Africa (central) | |
| BIJAGUA | Dome of TENORIO | Costa Rica | |
| BIJIASHAN | Cone of WUDALIANCHI | China (eastern) | |
| BIKIN PLATEAU VOLC FIELD | Fissure vent of SIKHOTE-ALIN | Russia (southeastern) | |
| BIL TEPE | Dome of ERCIYES DAGI | Turkey | |
| BILATE RIVER FIELD | Maars | Holocene | Africa (northeastern) & Red Sea |
| BILIBIN | Cone of VERNADSKII RIDGE | Kuril Islands | |
| BILIRAN | Compound volcano | Historical | Central Philippines |
| BILIUKAYA [BILYUKAI] | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BILLY MITCHELL | Pyroclastic shield | Radiocarbon | Bougainville & Solomon Islands |
| BILMA, MONTAÑA | Cinder cone of TENERIFE | Canary Islands | |
| BILYUKAI | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BILYUKAI | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BINALIK | Maar of NUNIVAK ISLAND | Alaska (western) | |
| BINANGUNAN, MT. | Stratovolcano of AMBANG | Sulawesi | |
| BINDLOE | Synonym of MARCHENA | Galápagos Islands | |
| BINEM | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BINGA | Dome of PACO | Mindanao | |
| BININTIANG MALAKI | Cone of TAAL | Luzon | |
| BININTIANG MALAQUI [BININTIANG MALAKI] | Cone of TAAL | Luzon | |
| BININTIANG MUNTI | Cone of TAAL | Luzon | |
| BINNA | Dome of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BINONE | Cinder cone of CAMIGUIN | Mindanao | |
| BINTACAN, MT. | Stratovolcano of BULUSAN | Luzon | |
| BINULUAN | Stratovolcano of AMBALATUNGAN GROUP | Luzon | |
| BIOKOS' | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BIR ALI | Synonym of BAL HAF, HARRA OF | Arabia | |
| BIR BAHRAHUT (BIR BAHUT) | Synonym of BIR BORHUT | Arabia | |
| BIR BARHOUT (BIR BARHUT) | Synonym of BIR BORHUT | Arabia | |
| BIR BORHUT | Volcanic field | Holocene? | Arabia |
| BIRD MOUNTAIN | Shield volcano of INDIAN HEAVEN | USA (Washington) | |
| BIRD NEST ISLAND | Crater of CENTRAL ISLAND | Africa (eastern) | |
| BIRK, HARRAT AL | Volcanic field | Holocene | Arabia |
| BIRO-YAMA | Stratovolcano of AKUSEKI-JIMA | Ryukyu Islands & Kyushu | |
| BIRUA | Cone of VISOKE | Africa (central) | |
| BISAROQUES, VOLCA LES | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| BISATI NDUBI | Cone of VISOKE | Africa (central) | |
| BISENTINA, ISOLA | Cone of VULSINI | Italy | |
| BISHAN WAKA | Pit crater of TEPI | Africa (northeastern) & Red Sea | |
| BISHOFTU HAYK | Tuff ring of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| BISHOFTU VOLCANIC FIELD | Fissure vents | Holocene | Africa (northeastern) & Red Sea |
| BISHUSHA | Cone of NYAMURAGIRA | Africa (central) | |
| BISMA | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BISMARCK, LAGO | Maar of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| BISMO [BISMA] | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BISOKE (BISOKO) | Synonym of VISOKE | Africa (central) | |
| BITINGAN, KAWAH | Crater of DIENG VOLCANIC COMPLEX | Java | |
| BITIVOGALA | Crater of SAVO | Bougainville & Solomon Islands | |
| BITJARA, LAKE | Maar of IBU | Halmahera | |
| BITUIN | Dome of PINATUBO | Luzon | |
| BIU PLATEAU | Volcanic field | Holocene? | Africa (western) |
| BIWA-IKE | Crater of KIRISHIMA | Ryukyu Islands & Kyushu | |
| BIWANOKUBA | Vent of UNZEN | Ryukyu Islands & Kyushu | |
| BJALLAGIGAR | Fissure vent of HEKLA | Iceland (southern) | |
| BJARNAREY | Cone of VESTMANNAEYJAR | Iceland (southern) | |
| BJARNARFELL | Cone of GEYSIR | Iceland (southwestern) | |
| BJARNARFLAG | Crater Row of KRAFLA | Iceland (northeastern) | |
| BJARNARGIGAR [BJARNARFLAG] | Crater Row of KRAFLA | Iceland (northeastern) | |
| BLACK BLUFFS | Tuff cone of ST. PAUL ISLAND | Alaska (western) | |
| BLACK BUTTE | Dome of SHASTA | USA (California) | |
| BLACK BUTTE [CINDER CONE] | Cinder cone of LASSEN VOLCANIC CENTER | USA (California) | |
| BLACK BUTTE CRATER | Shield volcano of SHOSHONE LAVA FIELD | USA (Idaho) | |
| BLACK BUTTES | Stratovolcano of BAKER | USA (Washington) | |
| BLACK CRATER | Dome of TECAPA | El Salvador & Honduras | |
| BLACK FOREST | Thermal Feature of EAST DIAMANTE | Izu, Volcano, & Mariana Islands | |
| BLACK HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| BLACK KNOLL | Cinder cone of BALD KNOLL | USA (Utah) | |
| BLACK MOUNTAIN | Synonym of MERU | Africa (eastern) | |
| BLACK MOUNTAIN | Cone of MEDICINE LAKE | USA (California) | |
| BLACK PEAK | Synonym of VENIAMINOF | Alaska Peninsula | |
| BLACK PEAK | Stratovolcano | Radiocarbon | Alaska Peninsula |
| BLACK POINT | Cone of MONO LAKE VOLCANIC FIELD | USA (California) | |
| BLACK ROCK DESERT | Volcanic field | Radiocarbon | USA (Utah) |
| BLACK ROCK VOLCANO | Cone of BLACK ROCK DESERT | USA (Utah) | |
| BLACK TOP BUTTE | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| BLACK TUSK, THE | Stratovolcano of GARIBALDI LAKE | Canada | |
| BLACKFLY TUYA | Tuya of TUYA VOLCANIC FIELD | Canada | |
| BLACKWOOD, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| BLAHNUKUR | Tuya of TORFAJOKULL | Iceland (southern) | |
| BLAKISTON | Synonym of TAO-RUSYR CALDERA | Kuril Islands | |
| BLANCA | Maar of MICHOACAN-GUANAJUATO | México | |
| BLANCA, CALDERA | Crater of LANZAROTE | Canary Islands | |
| BLANCA, MONTANA | Fissure vent of TENERIFE | Canary Islands | |
| BLANCA, MONTANA | Cone of LANZAROTE | Canary Islands | |
| BLANCAS, CALDERAS | Cone of FUERTEVENTURA | Canary Islands | |
| BLANCAS, LOMAS | Stratovolcano | Holocene | Central Chile & Argentina |
| BLANCHE BAY | Synonym of RABAUL | New Britain | |
| BLANCHE CRATER | Cinder cone of SHOSHONE LAVA FIELD | USA (Idaho) | |
| BLANCO DEL ROBLEDO, CERR0 | Dome of ROBLEDO | Northern Chile, Bolivia & Argentina | |
| BLANCO, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| BLANCO, CERRO | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| BLANCO, CERRO | Stratovolcano of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| BLAUFDEL [BURFELL I OLFUSI] | Shield volcano of HENGILL | Iceland (southwestern) | |
| BLERANG-BERITI | Synonym of BELIRANG-BERITI | Sumatra | |
| BLIZHNAYA PLOSKAYA [KRESTOVSKY] | Stratovolcano of USHKOVSKY | Kamchatka Peninsula | |
| BLIZHNY PLOSKI [KRESTOVSKY] | Stratovolcano of USHKOVSKY | Kamchatka Peninsula | |
| BLIZNETS | Stratovolcano | Holocene? | Kamchatka Peninsula |
| BLIZNETSY | Lava cone | Radiocarbon | Kamchatka Peninsula |
| BLOCKY CONE | Cone of ANIAKCHAK | Alaska Peninsula | |
| BLOSSEVILLE ISLAND | Synonym of KADOVAR | Northeast of New Guinea | |
| BLOWOUTS, THE | Vent of DEVILS GARDEN | USA (Oregon) | |
| BLUE LAKE | Crater of TONGARIRO | New Zealand | |
| BLUE LAKE | Crater of RAOUL ISLAND | Kermadec Islands | |
| BLUE LAKE | Tuff ring of NEWER VOLCANICS PROV | Australia | |
| BLUE LAKE CRATER | Maar | Radiocarbon | USA (Oregon) |
| BLUE MOUNTAIN | Dome of NEWER VOLCANICS PROV | Australia | |
| BLUE, VOLCAN | Synonym of AZUL, VOLCAN | Nicaragua | |
| BLUFF, THE | Cone of NEWER VOLCANICS PROV | Australia | |
| BLUMBANG | Dome of MURIA | Java | |
| BLUP BLUP | Stratovolcano | Holocene | Northeast of New Guinea |
| BM-CALDERA | Pleistocene caldera of SANTORINI | Greece | |
| BO-SHAN | Synonym of WUDALIANCHI | China (eastern) | |
| BOAT COVE | Synonym of RAOUL ISLAND | Kermadec Islands | |
| BOBADILLA, CRATER | Cone of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| BOBAOMBY | Cone of AMBRE-BOBAOMBY | Indian Ocean (western) | |
| BOBO | Thermal Feature of INIERIE | Lesser Sunda Islands | |
| BOBOPAJO | Caldera of JAILOLO | Halmahera | |
| BOBROF | Stratovolcano | Holocene? | Aleutian Islands |
| BOCA CANGREJO | Cinder cone of TENERIFE | Canary Islands | |
| BOCA TRONADORA | Fissure vent of SAN SALVADOR | El Salvador & Honduras | |
| BOCAS DE FOGO | Vent of PICO | Azores | |
| BOCAS MARIE | Crater of TENERIFE | Canary Islands | |
| BOCCA DEL VIULO | Vent of VESUVIUS | Italy | |
| BOCCA GRANDE | Crater of CUMBAL | Colombia | |
| BOCCA NUOVA | Crater of ETNA | Italy | |
| BOCHAROVA ? | Synonym of UGASHIK-PEULIK | Alaska Peninsula | |
| BODE AMEDA HAYK | Crater of BILATE RIVER FIELD | Africa (northeastern) & Red Sea | |
| BOEAL BOEALI | Synonym of SIBUALBUALI | Sumatra | |
| BOEDOEGASOE, GUNUNG [GUNUNG BUDUGASU] | Cone of ARJUNO-WELIRANG | Java | |
| BOEKIT | See proper name (e.g. DAWON, BOEKIT) | Dutch spelling of Indonesian word for HILL | |
| BOEKITDAOEN | Synonym of DAUN, BUKIT | Sumatra | |
| BOELIRAN, KAWAH [KAWAH BULIRAN] | Thermal Feature of KAMOJANG, KAWAH | Java | |
| BOENDER [BUNDER] | Cone of BATUR | Lesser Sunda Islands | |
| BOER | See proper name (e.g. MOETELONG, BOER) | Dutch spelling of Indonesian word for HILL | |
| BOETAK [BUTAK] | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BOETAK PETARANGAN [BUTAK PETARANGAN] | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BOETAK, GUNUNG [GUNUNG BUTAK] | Cone of ARJUNO-WELIRANG | Java | |
| BOGANA | Synonym of BAGANA | Bougainville & Solomon Islands | |
| BOGATYR RIDGE | Stratovolcano | Holocene | Kuril Islands |
| BOGDAN KHMELNITSKII | Stratovolcano of CHIRIP | Kuril Islands | |
| BOGDANOVICH | Crater of VERNADSKII RIDGE | Kuril Islands | |
| BOGDANOVICH | Shield volcano of VYSOKY | Kamchatka Peninsula | |
| BOGGEL | Cone of PRINCE EDWARD ISLAND | Indian Ocean (southern) | |
| BOGO-TOGO-ULA [BAGA TOGO UUL] | Cinder cone of KHANUY GOL | Mongolia | |
| BOGORIA | Shield volcano | Pleistocene-Geysers | Africa (eastern) |
| BOGOSLOF | Submarine volcano | Historical | Aleutian Islands |
| BOGOSLOF HILL | Shield volcano of ST. PAUL ISLAND | Alaska (western) | |
| BOGOUSAR | Pyroclastic Cone of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| BOI | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BOI, PICO DO | Cone of SETE CIDADES | Azores | |
| BOILING LAKE | Thermal Feature of WATT, MORNE | West Indies | |
| BOILING SPRINGS LAKE | Thermal Feature of LASSEN VOLCANIC CENTER | USA (California) | |
| BOINA | Cone of DABBAHU | Africa (northeastern) & Red Sea | |
| BOINA | Cone of DABBAHU | Africa (northeastern) & Red Sea | |
| BOINA | Fumarole field | Pleistocene-Fumarolic | Africa (northeastern) & Red Sea |
| BOIS D'INDE FRANCIOU | Dome of QUALIBOU | West Indies | |
| BOIS D'INDIE | Dome of PLAT PAYS, MORNE | West Indies | |
| BOISA | Stratovolcano | Holocene? | Northeast of New Guinea |
| BOKI, WOLO | Crater of INIELIKA | Lesser Sunda Islands | |
| BOKKI | Crater Row of TUNGNAFELLSJOKULL | Iceland (northeastern) | |
| BOKLUCA | Cone of ERCIYES DAGI | Turkey | |
| BOKOVOI | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BOLA | Stratovolcano | Holocene | New Britain |
| BOLETAS, CERRO | Dome of VALLES CALDERA | USA (New Mexico) | |
| BOLICHE | Dome of CHACANA | Ecuador | |
| BOLIN | Synonym of ILIBOLENG | Lesser Sunda Islands | |
| BOLJSHAIA UDINA [BOLSHAYA UDINA] | Stratovolcano of UDINA | Kamchatka Peninsula | |
| BOLJSHOY [BOLSHOI] | Shield volcano of BOLSHOI-KEKUKNAYSKY | Kamchatka Peninsula | |
| BOLLONS ISLAND | Cone of ANTIPODES ISLAND | Pacific Ocean (southern) | |
| BOLSA, CERRO LA | Cinder cone of ZITACUARO-VALLE DE BRAVO | México | |
| BOLSA, CERRO LA | Cinder cone of NAOLINCO VOLCANIC FIELD | México | |
| BOLSENA | Pleistocene caldera of VULSINI | Italy | |
| BOLSHAYA PLOSKY [DALJNY PLOSKY] | Shield volcano of USHKOVSKY | Kamchatka Peninsula | |
| BOLSHAYA UDINA | Stratovolcano of UDINA | Kamchatka Peninsula | |
| BOLSHE-BANNAYA | Lava domes | Holocene | Kamchatka Peninsula |
| BOLSHOI | Shield volcano of BOLSHOI-KEKUKNAYSKY | Kamchatka Peninsula | |
| BOLSHOI DOME | Dome of ANIAKCHAK | Alaska Peninsula | |
| BOLSHOI PAYALPAN | Shield volcanoes | Holocene? | Kamchatka Peninsula |
| BOLSHOI SEMIACHIK | Synonym of MALY SEMIACHIK | Kamchatka Peninsula | |
| BOLSHOI SEMIACHIK | Stratovolcanoes | Radiocarbon | Kamchatka Peninsula |
| BOLSHOI SITKIN | Synonym of GREAT SITKIN | Aleutian Islands | |
| BOLSHOI-KEKUKNAYSKY | Shield volcanoes | Radiocarbon | Kamchatka Peninsula |
| BOLSHOY PAYALPAN | Synonym of BOLSHOI PAYALPAN | Kamchatka Peninsula | |
| BOL'SHOY SEMYACHIK | Synonym of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| BOLSHOY-KEKUKNAYSKY | Synonym of BOLSHOI-KEKUKNAYSKY | Kamchatka Peninsula | |
| BOLUDO | Cinder cone of CHICHINAUTZIN | México | |
| BOMB PEAK | Cone of EREBUS | Antarctica & South Sandwich Islands | |
| BOMBALAI | Pyroclastic cone | Holocene? | Borneo |
| BOMBARDA | Pumice cone of MILOS | Greece | |
| BOMBELLESTOPPEN | Dome of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BOMBON, LAKE | Synonym of TAAL | Luzon | |
| BONA-CHURCHILL | Synonym of CHURCHILL | Alaska (eastern) | |
| BONACCORSI-MONTARELLO | Cinder cone of ETNA | Italy | |
| BONDE | Cone of KARISIMBI | Africa (central) | |
| BONDHOLSHRAUN | Shield volcano of KRAFLA | Iceland (northeastern) | |
| BONETE DE CARRAO | Cone of ESTELI | Nicaragua | |
| BONETE, CERRO EL | Stratovolcano of MOYUTA | Guatemala | |
| BONGKOK, BUKIT | Cone of BATUR | Lesser Sunda Islands | |
| BONGOLE, GOF | Maar of MARSABIT | Africa (eastern) | |
| BONGSU, KEPUNDAN | Crater of MARAPI | Sumatra | |
| BONIN, MORNE | Dome of QUALIBOU | West Indies | |
| BONITA BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| BONITA, LOMA | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| BONNET, LE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BONO | Crater of UMBOI | Northeast of New Guinea | |
| BONSULTON, CUDDIE | Vent of PANTELLERIA | Italy | |
| BOOBY HILL | Dome of SABA | West Indies | |
| BOOMERANG SEAMOUNT | Submarine volcano | Historical | Indian Ocean (southern) |
| BOOSER | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| BOOT ROCK | Tuff cone of MARION ISLAND | Indian Ocean (southern) | |
| BOQUERON, AUSOLES EL | Thermal Feature of CHINAMECA | El Salvador & Honduras | |
| BOQUERON, EL | Synonym of BARCENA | México | |
| BOQUERON, EL | Stratovolcano of SAN SALVADOR | El Salvador & Honduras | |
| BOQUERON, EL | Dome of TENERIFE | Canary Islands | |
| BOQUERONCITO | Cinder cone of SAN SALVADOR | El Salvador & Honduras | |
| BOQUERONCITOS | Fissure vent of SAN SALVADOR | El Salvador & Honduras | |
| BOR GHELEBA | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BOR-ELI | Synonym of BORALE ALE | Africa (northeastern) & Red Sea | |
| BORA | Pumice cone of BORA-BERICCIO | Africa (northeastern) & Red Sea | |
| BORA-BERICCIO | Pumice cones | Holocene | Africa (northeastern) & Red Sea |
| BORALE ALE | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| BORAULE | Synonym of BORAWLI | Africa (northeastern) & Red Sea | |
| BORAWLI | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| BORAWLI | Lava domes | Holocene | Africa (northeastern) & Red Sea |
| BORDER MOUNTAIN | Cone of MEDICINE LAKE | USA (California) | |
| BORELE-ALI | Synonym of BORALE ALE | Africa (northeastern) & Red Sea | |
| BORGAHRAUN | Fissure vent of THEISTAREYKJARBUNGA | Iceland (northeastern) | |
| BORGARHOLAR | Cone of GRIMSNES | Iceland (southwestern) | |
| BORGARHRAUN | Crater Row of REYKJANES | Iceland (southwestern) | |
| BORIATIKO VOUNO | Dome of NISYROS | Greece | |
| BORIQUEN | Thermal Feature of RINCON DE LA VIEJA | Costa Rica | |
| BORISYAK, MT. | Cone of LOMONOSOV GROUP | Kuril Islands | |
| BORO, GOF | Maar of MARSABIT | Africa (eastern) | |
| BORREGO, CERRO EL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| BORT | Stratovolcano of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| BORTOVAYA | Dome of UZON | Kamchatka Peninsula | |
| BORY | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BORZOV | Cone of KOLOKOL GROUP | Kuril Islands | |
| BOSCHAN [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| BOSCO DEI CONTI | Cone of ISCHIA | Italy | |
| BOSCO DELLA MADDALENA | Stratovolcano of ISCHIA | Italy | |
| BOSET | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BOSET-BERICHA | Stratovolcanoes | Holocene | Africa (northeastern) & Red Sea |
| BOSETI-BARICCIA | Synonym of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BOSETI-BERICCIA [BERICHA] | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BOSETI-GUDDA [BOSET] | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BOSOTLAN | Synonym of SAN MIGUEL | El Salvador & Honduras | |
| BOSQUE ALEGRE | Maar of POAS | Costa Rica | |
| BOSQUE, EL | Dome of ROTA | Nicaragua | |
| BOTIJA, MONTANA LA | Cinder cone of TENERIFE | Canary Islands | |
| BOTNA-SKYRTUNNA | Cone of LJOSUFJOLL | Iceland (western) | |
| BOTNAHRAUN | Fissure vent of GRIMSVOTN | Iceland (northeastern) | |
| BOTNAHRAUN | Fissure vent of ASKJA | Iceland (northeastern) | |
| BOTOS | Stratovolcano of POAS | Costa Rica | |
| BOTOS, LOS | Synonym of POAS | Costa Rica | |
| BOTTOM HILL | Dome of SABA | West Indies | |
| BOUILLANTE CHAIN | Maars | Pleistocene-Hot Springs | West Indies |
| BOUVET | Shield volcano | Magnetism | Atlantic Ocean (southern) |
| BOUVETOYA | Synonym of BOUVET | Atlantic Ocean (southern) | |
| BOVE, VALLE DEL | Caldera of ETNA | Italy | |
| BOVEN | Stratovolcano of QUILL, THE | West Indies | |
| BOWERS KNOLL | Cone of MARKAGUNT PLATEAU | USA (Utah) | |
| BOYNA | Synonym of DABBAHU | Africa (northeastern) & Red Sea | |
| BOZ DAG | Cone of ERCIYES DAGI | Turkey | |
| BOZ DAG | Cone of ERCIYES DAGI | Turkey | |
| BOZU-JIGOKU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| BRAMA [BROMO] | Cinder cone of TENGGER CALDERA | Java | |
| BRANCA, CALDEIRA | Maar of FLORES | Azores | |
| BRANCA, CALDERA | Pleistocene caldera of KARISIMBI | Africa (central) | |
| BRANCA, MONT | Cone of POSSESSION, ILE DE LA | Indian Ocean (southern) | |
| BRANCO, PICO | Dome of TRINDADE | Atlantic Ocean (central) | |
| BRANDUR | Cone of VESTMANNAEYJAR | Iceland (southern) | |
| BRASIL, CERRO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| BRASIL, MONTE | Cone of TERCEIRA | Azores | |
| BRAT CHIRPOEV | Stratovolcano of CHIRPOI | Kuril Islands | |
| BRATAN | Caldera | Holocene | Lesser Sunda Islands |
| BRAUN [VON SEEBACH] | Cone of RINCON DE LA VIEJA | Costa Rica | |
| BRAVA | Stratovolcano | Holocene | Cape Verde Islands |
| BRAVARD | Synonym of TUPUNGATITO | Central Chile & Argentina | |
| BRAVAS, LAGUNAS | Synonym of NEVADA, SIERRA | Northern Chile, Bolivia & Argentina | |
| BRAVO, CERRO | Stratovolcano | Radiocarbon | Colombia |
| BREDES, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BRENA, LA | Maar of DURANGO VOLCANIC FIELD | México | |
| BRENAL | Synonym of DURANGO VOLCANIC FIELD | México | |
| BRENNISTEINSFJOLL | Crater rows | Historical | Iceland (southwestern) |
| BRENNISTEINSGIGAR | Synonym of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| BREW, MOUNT | Vent of GARIBALDI LAKE | Canada | |
| BRIDGE RIVER CONES | Volcanic field | Holocene | Canada |
| BRIDGE RIVER VENT | Vent of MEAGER | Canada | |
| BRIDGEMAN ISLAND | Stratovolcano | Uncertain | Antarctica & South Sandwich Islands |
| BRIDGMAN ISLAND | Synonym of BRIDGEMAN ISLAND | Antarctica & South Sandwich Islands | |
| BRILLANTES, MONTAGNAS | Synonym of ILIAMNA | Alaska (southwestern) | |
| BRIMSTONE HILL | Dome of LIAMUIGA | West Indies | |
| BRIMSTONE PIT | Crater of NW ROTA-1 | Izu, Volcano, & Mariana Islands | |
| BRINCO DEL DIABLO, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| BRISTOL ISLAND | Stratovolcano | Historical | Antarctica & South Sandwich Islands |
| BRITO, CERRO DE | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| BROADLANDS | Thermal Feature of REPOROA | New Zealand | |
| BROCKMAN FLAT | Synonym of EAGLE LAKE FIELD | USA (California) | |
| BROKEN BACK | Crater of CARRIZOZO | USA (New Mexico) | |
| BROKEN ISLAND | Crater of CENTRAL ISLAND | Africa (eastern) | |
| BROKEN TOP | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| BROKEOFF MOUNTAIN | Stratovolcano of LASSEN VOLCANIC CENTER | USA (California) | |
| BROMO | Cinder cone of TENGGER CALDERA | Java | |
| BROMO-TENGGER CALDERA | Synonym of TENGGER CALDERA | Java | |
| BROTHERS | Submarine volcano | Fumarolic | New Zealand |
| BROUTON CALDERA | Caldera of URATAMAN | Kuril Islands | |
| BROWN PEAK | Synonym of STURGE ISLAND | Antarctica & South Sandwich Islands | |
| BROWN'S ISLAND [MOTUKOREA] | Cone of AUCKLAND FIELD | New Zealand | |
| BRUCE | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| BRUCIATA, CUDDIA | Cone of PANTELLERIA | Italy | |
| BRUCK | Crater of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| BRUJA, LOMA LA | Dome of SAN CRISTOBAL | Nicaragua | |
| BRUJILLO, CERRO | Lava cone of IXTEPEQUE | Guatemala | |
| BRUJO, CERRO | Tuff cone of SAN CRISTOBAL | Galápagos Islands | |
| BRUJO, CERRO EL | Shield volcano of SERDAN-ORIENTAL | México | |
| BRUJO, EL | Vent of SANTA MARIA | Guatemala | |
| BRULANT | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BRULES, MORNE | Dome of DIABLES, MORNE AUX | West Indies | |
| BRULOT | Cone of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| BRUNABORG [HROSSADALIUR] | Crater Row of KRAFLA | Iceland (northeastern) | |
| BRUNAGIGIR | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| BRUSHY BUTTE | Shield volcano | Holocene? | USA (California) |
| BRYDJUHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| BRYTALAEKIR | Fissure vent of KATLA | Iceland (southern) | |
| BU JERMAN | Shield volcano of HAUT DONG NAI | Southeast Asia | |
| BU KONG RONG | Caldera of HAUT DONG NAI | Southeast Asia | |
| BU-CALDERA | Pleistocene caldera of SANTORINI | Greece | |
| BUAL BUALI | Synonym of SIBUALBUALI | Sumatra | |
| BUBAY, MT. | Cone of SAN PABLO VOLCANIC FIELD | Luzon | |
| BUBOCHKA | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| BUCK BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| BUCK HILL | Cone of WELLS GRAY-CLEARWATER | Canada | |
| BUCK KNOLL | Cinder cone of BALD KNOLL | USA (Utah) | |
| BUCKHORN LAKE | Cinder cone of SILVER LAKE | USA (California) | |
| BUCKLE ISLAND | Stratovolcano | Historical | Antarctica & South Sandwich Islands |
| BUCU, GUNUNG | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BUD DAJO | Cinder cone of JOLO | Sulu Islands | |
| BUDAKLETTUR | Cone of SNAEFELLSJOKULL | Iceland (western) | |
| BUDAMADO HAYK | Crater of BILATE RIVER FIELD | Africa (northeastern) & Red Sea | |
| BUDDAJO [BUD DAJO] | Cinder cone of JOLO | Sulu Islands | |
| BUDUGASU, GUNUNG | Cone of ARJUNO-WELIRANG | Java | |
| BUENA VISTA, CERRO | Cinder cone of MOYUTA | Guatemala | |
| BUENA VISTA, CERRO | Dome of ILOPANGO | El Salvador & Honduras | |
| BUENAVENTURA SPRING | Thermal Feature of BANAHAW | Luzon | |
| BUENAVISTA | Vent of IZTACCIHUATL | México | |
| BUENAVISTA TOMATLAN, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| BUENOS AIRES | Cinder cone of PLATANAR | Costa Rica | |
| BUEY, CRATER DEL | Crater of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| BUEY, LAGUNA LA | Crater of PURACE | Colombia | |
| BUEYES, CERRO DE LOS | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| BUFUMBIRA | Cinder cones | Holocene? | Africa (central) |
| BUG ISLAND | Crater of CENTRAL ISLAND | Africa (eastern) | |
| BUGESHI | Cone of KARISIMBI | Africa (central) | |
| BUGOGO | Cone of NYIRAGONGO | Africa (central) | |
| BUGUMBA | Tuff cone of FORT PORTAL | Africa (central) | |
| BUGWAYE | Crater of BUNYARUGURU | Africa (central) | |
| BUHANGIN | Dome of PACO | Mindanao | |
| BUHARA | Tuff cone of FORT PORTAL | Africa (central) | |
| BUHI | Synonym of MALINAO | Luzon | |
| BUHO | Dome of BANAHAW | Luzon | |
| BUHUBIE | Cone of NYAMURAGIRA | Africa (central) | |
| BUHUMA | Cone of NYIRAGONGO | Africa (central) | |
| BUKIT | See proper name (e.g. DAUN, BUKIT) | Indonesian for HILL, MT. | |
| BUKOLI | Cone of NYAMURAGIRA | Africa (central) | |
| BULA | Synonym of BOLA | New Britain | |
| BULAL VOLC FIELD | Synonym of MEGA BASALT FIELD | Africa (northeastern) & Red Sea | |
| BULALO, MT. | Cone of SAN PABLO VOLCANIC FIELD | Luzon | |
| BULDIR | Stratovolcano | Holocene? | Aleutian Islands |
| BULENGIRA | Cone of KARISIMBI | Africa (central) | |
| BULENGO | Cone of NYIRAGONGO | Africa (central) | |
| BULGAN VOLC FIELD | Synonym of KHANUY GOL | Mongolia | |
| BULIENMERRI, LAKE | Tuff ring of NEWER VOLCANICS PROV | Australia | |
| BULIRAN, KAWAH | Thermal Feature of KAMOJANG, KAWAH | Java | |
| BULKA | Dome of AVACHINSKY | Kamchatka Peninsula | |
| BULL | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| BULLAROOK HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| BULLENGAROOK, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| BULOCHKA | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BULU | Synonym of BOLA | New Britain | |
| BULU [GULU] | Cone of LANGILA | New Britain | |
| BULUMORSUM | Cone of ST. ANDREW STRAIT | Admiralty Islands | |
| BULUSAN | Stratovolcanoes | Historical | Luzon |
| BUMABAG | Stratovolcano of AMBALATUNGAN GROUP | Luzon | |
| BUMPASS HELL | Thermal Feature of LASSEN VOLCANIC CENTER | USA (California) | |
| BUMPASS MOUNTAIN | Dome of LASSEN VOLCANIC CENTER | USA (California) | |
| BUNAGA [CERISY PEAK] | Stratovolcano of LONG ISLAND | Northeast of New Guinea | |
| BUNANYA | Shield volcano of UKSICHAN | Kamchatka Peninsula | |
| BUNANYA | Shield volcano of KEKURNY | Kamchatka Peninsula | |
| BUNBULAN | Crater of BATUR | Lesser Sunda Islands | |
| BUNBULAN, GUNUNG | Dome of BATUR | Lesser Sunda Islands | |
| BUNDER | Cone of BATUR | Lesser Sunda Islands | |
| BUNDJULI | Cone of KARISIMBI | Africa (central) | |
| BUNGBRUNG | Crater of PAPANDAYAN | Java | |
| BUNGSU, KAPUNDAN [KEPUNDAN BUNGSU] | Crater of MARAPI | Sumatra | |
| BUNINYONG, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| BUNKER HILL | Dome of SABA | West Indies | |
| BUNNELL BUTTE | Cinder cone of ADAMS | USA (Washington) | |
| BUNOT, LAKE | Maar of SAN PABLO VOLCANIC FIELD | Luzon | |
| BUNTAK, BUKIT | Cone of KERINCI | Sumatra | |
| BUNTUK GEDE, GUNUNG | Vent of SUNDORO | Java | |
| BUNUHOLAR | Fissure vent of GRIMSVOTN | Iceland (northeastern) | |
| BUNYAMPAKA [KASENYI] | Tuff cone of KATWE-KIKORONGO | Africa (central) | |
| BUNYARO | Cone of VISOKE | Africa (central) | |
| BUNYARUGURU | Maars | Holocene | Africa (central) |
| BUNYOGWE | Cone of KARISIMBI | Africa (central) | |
| BUNYOKE | Cone of VISOKE | Africa (central) | |
| BUR | See proper name (e.g. TELONG, BUR NI) | Indonesian for HILL, MT. | |
| BURACO, PICO DO | Dome of FURNAS | Azores | |
| BURAK | Crater of LEROBOLENG | Lesser Sunda Islands | |
| BURAUEN | Synonym of MAHAGNAO | Central Philippines | |
| BURAYA | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| BUREVESTNIK | Cone of BOGATYR RIDGE | Kuril Islands | |
| BURFELL | Crater Row of KRISUVIK | Iceland (southwestern) | |
| BURFELL I OLFUSI | Shield volcano of HENGILL | Iceland (southwestern) | |
| BURFELLSHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| BURILAN | Cone of GAUA | Vanuatu | |
| BURLIASTCHY [BURLYASHCHY] | Stratovolcano of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| BURLICH | Tuff cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| BURLOW HILL | Dome of MERU | Africa (eastern) | |
| BURLYASHCHY | Stratovolcano of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| BURNEY, MONTE | Stratovolcano | Historical | Southern Chile & Argentina |
| BURNING MOUNTAIN | Synonym of ILIAMNA | Alaska (southwestern) | |
| BURNING VOLCANO | Synonym of GARELOI | Aleutian Islands | |
| BURNT LAVA FLOW | Cone of MEDICINE LAKE | USA (California) | |
| BURNT MOUNTAIN | Synonym of REDOUBT | Alaska (southwestern) | |
| BURNTHILL | Cinder cone of TRISTAN DA CUNHA | Atlantic Ocean (southern) | |
| BURR, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| BURRO, CERRO EL | Dome of MICHOACAN-GUANAJUATO | México | |
| BURRU, DOINYO | Synonym of EBURRU, OL DOINYO | Africa (eastern) | |
| BURU | Caldera of PAGO | New Britain | |
| BURU, DOINYO | Synonym of EBURRU, OL DOINYO | Africa (eastern) | |
| BUS-OBO | Cinder cone | Holocene? | Mongolia |
| BUSHENYE | Cone of NYIRAGONGO | Africa (central) | |
| BUSHWAGA | Cone of NYIRAGONGO | Africa (central) | |
| BUTAJIRI-SILTI FIELD | Fissure vents | Holocene | Africa (northeastern) & Red Sea |
| BUTAK | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BUTAK PETARANGAN | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BUTAK, GUNUNG | Cone of ARJUNO-WELIRANG | Java | |
| BUTAKA | Cone of KARISIMBI | Africa (central) | |
| BUTAY, MT. | Stratovolcano of CAMIGUIN | Mindanao | |
| BUTLER'S MOUNTAIN | Dome of NEVIS PEAK | West Indies | |
| BUTTON HILL | Dome of MERU | Africa (eastern) | |
| BUTUBUT, MT. | Cone of KUWAE | Vanuatu | |
| BUTUS, GUNUNG | Cone of BATUR | Lesser Sunda Islands | |
| BUYAN-BRATAN | Synonym of BRATAN | Lesser Sunda Islands | |
| BUYUK AGRI DAGI | Synonym of ARARAT | Turkey | |
| BUYUK KIZIL TEPE | Cone of ERCIYES DAGI | Turkey | |
| BUYUKKALE TEPE | Dome of ERCIYES DAGI | Turkey | |
| BUZZ | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BUZZARD CREEK | Tuff rings | Radiocarbon | Alaska (eastern) |
| BWANIKA | Tuff cone of FORT PORTAL | Africa (central) | |
| BWASI-IAI-IAI | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| BYAKUSHI-IKE | Crater of KIRISHIMA | Ryukyu Islands & Kyushu | |
| BYAKUSI-IKE [BYAKUSHI-IKE] | Crater of KIRISHIMA | Ryukyu Islands & Kyushu | |
| BYLANDT RHEYT | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BYLINKINA | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BYLINKINOY [BYLINKINA] | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BYOBU-DAKE | Stratovolcano of ZAO | Honshu | |
| CAANOAN | Cone of CAMIGUIN DE BABUYANES | North of Luzon | |
| CABALIAN | Stratovolcano | Radiocarbon | Central Philippines |
| CABALLITO | Cinder cone of CHICHINAUTZIN | México | |
| CABEZA DE VACA | Cone of CAYUTUE-LA VIGUERIA | Southern Chile & Argentina | |
| CABEZA DE VACA, CERRO | Cinder cone of PILAS, LAS | Nicaragua | |
| CABEZA DE VACA, CERRO | Stratovolcano of IRAZU | Costa Rica | |
| CABEZA, LA | Stratovolcano of IZTACCIHUATL | México | |
| CABEZUELO, VOLCAN DE EL | Maar of CALATRAVA VOLCANIC FIELD | Western Europe | |
| CABO COWAN | Tuff cone of SANTIAGO | Galápagos Islands | |
| CABRA, ISLA DE [CERRO GRANDE] | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| CABRAS, CERRO LAS | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CABRAS, MONTANA DE LAS [SAN ANTONIO] | Cinder cone of LA PALMA | Canary Islands | |
| CABRAS, PICOS | Dome of TENERIFE | Canary Islands | |
| CABRET, DJEBEL | Synonym of TAIR, JEBEL AT | Africa (northeastern) & Red Sea | |
| CABRIOLER, VOLCANS DE | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CABRIS, PITON DES | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CABRITS, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| CABRO MUCO-LA GIGANTA | Stratovolcano of MIRAVALLES | Costa Rica | |
| CABURGUA, VOLCANES DE | Cone of CABURGUA-HUELEMOLLE | Central Chile & Argentina | |
| CABURGUA-HUELEMOLLE | Cinder cones | Tephrochronology | Central Chile & Argentina |
| CABUT, BUKIT | Cone of BESAR | Sumatra | |
| CACAO | Stratovolcano of OROSI | Costa Rica | |
| CACHANI | Synonym of CHACHANI, NEVADO | Perú | |
| CACHE HILL | Shield volcano of EDZIZA | Canada | |
| CACHIO, CERRO | Stratovolcano of APANECA RANGE | El Salvador & Honduras | |
| CACHO NEGRO, VOLCAN | Stratovolcano of BARVA | Costa Rica | |
| CACIQUE, CERRO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CACTUS PEAK | Dome of COSO VOLCANIC FIELD | USA (California) | |
| CADENITA | Cinder cone of CHICHINAUTZIN | México | |
| CADES BAY | Dome of NEVIS PEAK | West Indies | |
| CAFIERI | Crater of ISCHIA | Italy | |
| CAGE VOLCANO | Shield volcano of COAXIAL SEGMENT | Pacific Ocean (northern) | |
| CAGSIAY HOT SPRINGS | Thermal Feature of BANAHAW | Luzon | |
| CAGUA | Stratovolcano | Historical | Luzon |
| CAICHINQUE | Stratovolcanoes | Holocene? | Northern Chile, Bolivia & Argentina |
| CAILLE, ILE DE | Tuff ring of KICK 'EM JENNY | West Indies | |
| CAIMAN, MONTANA | Cone of FUERTEVENTURA | Canary Islands | |
| CAIRAT, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CAJETE, EL | Crater of VALLES CALDERA | USA (New Mexico) | |
| CAJON LOS CALABOZOS | Thermal Feature of CALABOZOS | Central Chile & Argentina | |
| CAKASUANGGI | Stratovolcano of AMASING | Halmahera | |
| CALA BIANCA | Crater of PANAREA | Italy | |
| CALA DELL'ALCA | Cone of PANTELLERIA | Italy | |
| CALA DELL'ALTURA | Shield volcano of PANTELLERIA | Italy | |
| CALA DI TRAMONTANA | Cone of PANTELLERIA | Italy | |
| CALA FICO | Submarine vent of LIPARI | Italy | |
| CALABOZOS | Caldera | Holocene | Central Chile & Argentina |
| CALATRAVA VOLCANIC FIELD | Pyroclastic cones | Radiocarbon | Western Europe |
| CALBUCO | Stratovolcano | Historical | Southern Chile & Argentina |
| CALCARA, LA | Thermal Feature of PANAREA | Italy | |
| CALCARAZZI, MONTE | Cinder cone of ETNA | Italy | |
| CALDEIRA | Crater of PICOS VOLCANIC SYSTEM | Azores | |
| CALDERA / CALDERAS | See proper name (e.g. CUERVOS, CALDERA DE LOS) | ||
| CALDERA, CERRO DE LA | Cone of CHICHINAUTZIN | México | |
| CALDERA, LA | Crater of LANZAROTE | Canary Islands | |
| CALDERA, LAGUNA | Cinder cone of SAN SALVADOR | El Salvador & Honduras | |
| CALDERA, LOMA | Tuff ring of SAN SALVADOR | El Salvador & Honduras | |
| CALDERAS, LAS | Cinder cone of FUERTEVENTURA | Canary Islands | |
| CALDERETA, LA | Crater of TENERIFE | Canary Islands | |
| CALDERETA, MONTANA DE LA | Cone of FUERTEVENTURA | Canary Islands | |
| CALDERITA, LA | Vent of FUERTEVENTURA | Canary Islands | |
| CALDERON, EL | Crater of ZUNI-BANDERA | USA (New Mexico) | |
| CALDERON, VOLCAN | Synonym of ALCEDO | Galápagos Islands | |
| CALDIERA | Caldera of CORVO | Azores | |
| CALDIERA | Caldera of FAYAL | Azores | |
| CALDIERAS | Thermal Feature of FURNAS | Azores | |
| CALDWELL BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| CALEBASSE, MORNE | Dome of PELEE | West Indies | |
| CALIBATO, LAKE | Maar of SAN PABLO VOLCANIC FIELD | Luzon | |
| CALIENTE | Vent of SANTA MARIA | Guatemala | |
| CALIENTE, CERRO | Twin volcano of YUCAMANE | Perú | |
| CALIENTE, LAGUNA | Crater of POAS | Costa Rica | |
| CALLAQUEN | Synonym of CALLAQUI | Central Chile & Argentina | |
| CALLAQUI | Stratovolcano | Historical | Central Chile & Argentina |
| CALLO, CERRITO DEL | Cone of COTOPAXI | Ecuador | |
| CALLVUCO (CALLUNETO) | Synonym of OSORNO | Southern Chile & Argentina | |
| CALOMETS, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CALUNAN, MT. | Stratovolcano of BULUSAN | Luzon | |
| CALUNGALAN, MT. | Cone of BULUSAN | Luzon | |
| CALVARIO, EL | Cone of CHICHINAUTZIN | México | |
| CAM TIEM MOUNT | Cone of BAS DONG NAI | Southeast Asia | |
| CAMALDOLI DELLA TORRE | Cone of VESUVIUS | Italy | |
| CAMARINHAS, PICO DAS | Cone of SETE CIDADES | Azores | |
| CAMATARAN, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CAMBADO, PICO DO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| CAMBRIA, MT. | Cone of AUCKLAND FIELD | New Zealand | |
| CAMELS HUMP, THE | Dome of NEWER VOLCANICS PROV | Australia | |
| CAMERCIA | Cinder cone of ETNA | Italy | |
| CAMERON, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| CAMEROON | Stratovolcano | Historical | Africa (western) |
| CAMEROUN, MONT | Synonym of CAMEROON | Africa (western) | |
| CAMIGUIN | Stratovolcanoes | Historical | Mindanao |
| CAMIGUIN DE BABUYANES | Stratovolcano | Historical | North of Luzon |
| CAMIGUIN DE MINDANAO [MT. VULCAN] | Dome of CAMIGUIN | Mindanao | |
| CAMIGUIN DE MISAMIS [MT. VULCAN] | Dome of CAMIGUIN | Mindanao | |
| CAMIGUIN DEL SUR [MT. VULCAN] | Dome of CAMIGUIN | Mindanao | |
| CAMIGUIN TANDA | Stratovolcano of CAMIGUIN | Mindanao | |
| CAMIGUIN, MT. | Stratovolcano of CAMIGUIN DE BABUYANES | North of Luzon | |
| CAMILLE CONE | Cone of IMURUK LAKE | Alaska (western) | |
| CAMOGON | Dome of LEONARD RANGE | Mindanao | |
| CAMP HILL | Shield volcano of EDZIZA | Canada | |
| CAMPAGNANO, MT. | Crater of ISCHIA | Italy | |
| CAMPANA HILL | Dome of CAMIGUIN | Mindanao | |
| CAMPANARIO, EL | Cinder cone of HIERRO | Canary Islands | |
| CAMPANIAN IGNIMBRITE | Pleistocene caldera of CAMPI FLEGREI | Italy | |
| CAMPI FLEGREI | Caldera | Historical | Italy |
| CAMPI FLEGREI MAR SICILIA | Submarine volcanoes | Historical | Italy |
| CAMPI FLEIGREI CANALE DE SICILIA | Synonym of CAMPI FLEGREI MAR SICILIA | Italy | |
| CAMPOSANTO, CERRO | Cone of IXTEPEQUE | Guatemala | |
| CAMPOTESE | Crater of ISCHIA | Italy | |
| CAMPRIDA, CALDEIRA | Tuff ring of FLORES | Azores | |
| CAMPS RIDGE [MADDEN'S MOUNT] | Dome of NEVIS PEAK | West Indies | |
| CAN SIMO, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CAN TIA, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CANACUARAN [METATE, CERRO EL] | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CANADA OBSCURA, CERRO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CANADAS, LAS | Pleistocene caldera of TENERIFE | Canary Islands | |
| CANALAON | Synonym of KANLAON | Central Philippines | |
| CANAR | Crater of TALAGABODAS | Java | |
| CANARIO, LAGOA DO | Maar of SETE CIDADES | Azores | |
| CANARIO, PICO DE | Pumice cone of FURNAS | Azores | |
| CANAS DULCES | Dome of RINCON DE LA VIEJA | Costa Rica | |
| CANASTE | Synonym of ARENAL | Costa Rica | |
| CANASTO | Crater of LONQUIMAY | Central Chile & Argentina | |
| CANDADO, EL | Cone of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| CANDELERO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CANDLEMAS ISLAND | Stratovolcano | Historical | Antarctica & South Sandwich Islands |
| CANGKUANG | Crater of SALAK | Java | |
| CANITAS, CERRO | Cinder cone of COATEPEQUE CALDERA | El Salvador & Honduras | |
| CANLAON | Synonym of KANLAON | Central Philippines | |
| CANNETO DENTRO | Stratovolcano of LIPARI | Italy | |
| CANON DE LAS FLORES | Vent of PRIMAVERA, SIERRA LA | México | |
| CANOT, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| CANTARIELLO | Cone of ISCHIA | Italy | |
| CANTARRANAS, CERRO | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| CANTERA, CERRO LA | Dome of MICHOACAN-GUANAJUATO | México | |
| CANTO, CABECO DO | Cone of FAYAL | Azores | |
| CANTOCLOC [CANTOLOC] | Stratovolcano of CABALIAN | Central Philippines | |
| CANTOLOC | Stratovolcano of CABALIAN | Central Philippines | |
| CANTONE | Cinder cone of ETNA | Italy | |
| CANYA, VOLCA LA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CANYON CREEK [SECOND CANYON] | Cone of ISKUT-UNUK RIVER CONES | Canada | |
| CAOE KOKKINOPETRA | Cinder cone of SANTORINI | Greece | |
| CAOLANGOJAN [KASIBOI] | Cone of MAHAGNAO | Central Philippines | |
| CAOPO | Cone of TENGCHONG | Southeast Asia | |
| CAPACUARO, CERROS DE | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CAPARINA | Dome of CHACANA | Ecuador | |
| CAPARRA, LOMA | Dome of SAN CRISTOBAL | Nicaragua | |
| CAPATACUTIRO, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CAPAXTIRO, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CAPE BALOS | Cinder cone of SANTORINI | Greece | |
| CAPE BERKELEY VOLCANO | Synonym of ECUADOR | Galápagos Islands | |
| CAPE BIDLINGMAIER | Cone of HEARD | Indian Ocean (southern) | |
| CAPE BRIDGEWATER | Cone of NEWER VOLCANICS PROV | Australia | |
| CAPE CARTWRIGHT | Cone of HEARD | Indian Ocean (southern) | |
| CAPE COLUMBOS | Tuff ring of SANTORINI | Greece | |
| CAPE MAVRORACHIDI | Cinder cone of SANTORINI | Greece | |
| CAPE RIVER | Pleistocene caldera of SANTORINI | Greece | |
| CAPE VALDIVIA | Dome of BOUVET | Atlantic Ocean (southern) | |
| CAPELAS | Tuff cone of PICOS VOLCANIC SYSTEM | Azores | |
| CAPELINHOS | Cone of FAYAL | Azores | |
| CAPILLA, LA | Crater of CUMBRES, LAS | México | |
| CAPO GROSSO | Submarine vent of LIPARI | Italy | |
| CAPRARA | Dome of CAMPI FLEGREI | Italy | |
| CAPRICORN, MT. | Cone of MEAGER | Canada | |
| CAPULIN | Cinder cone of CHICHINAUTZIN | México | |
| CARABAO KILLER | Thermal Feature of KANLAON | Central Philippines | |
| CARACHA, LA | Stratovolcano of ATACAZO | Ecuador | |
| CARACOL | Crater of AZUL, CERRO | Central Chile & Argentina | |
| CARACOL, VOLCAN | Cone of TOLGUACA | Central Chile & Argentina | |
| CARACORAL, CERRO | Dome of VALLE, EL | Panamá | |
| CARAVAJALES CRATER | Crater of PINACATE | México | |
| CARBET, FUMEROLLES DU | Thermal Feature of SOUFRIERE GUADELOUPE | West Indies | |
| CARBONERA, LA | Pleistocene caldera of SAN VICENTE | El Salvador & Honduras | |
| CARCABULLO O PEDREGAL [CALDERA COLORADA] | Cinder cone of LANZAROTE | Canary Islands | |
| CARDAKH | Crater of ERCIYES DAGI | Turkey | |
| CARDOS, LOS | Cinder cone of CHICHINAUTZIN | México | |
| CAREME | Synonym of CEREME | Java | |
| CARI-LAUNA, VOLCANES | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| CARIBALD HILL [GARIBALDI HILL] | Stratovolcano of SOUFRIERE HILLS | West Indies | |
| CARIBLANCO [CERRO CONGO] | Stratovolcano of POAS | Costa Rica | |
| CARIBOU TUYA | Tuya of TUYA VOLCANIC FIELD | Canada | |
| CARICIAS | Stratovolcano of BARVA | Costa Rica | |
| CARIK TEPE | Dome of ERCIYES DAGI | Turkey | |
| CARIRINE | Stratovolcano of HUANQUIHUE GROUP | Central Chile & Argentina | |
| CARLING HILL | Dome of CAMIGUIN | Mindanao | |
| CARLISLE | Stratovolcano | Historical | Aleutian Islands |
| CARMELO CRATER | Crater of BAKER | USA (Washington) | |
| CARMELO, LA MONTANA DEL | Synonym of BAKER | USA (Washington) | |
| CARMICHAEL | Stratovolcano of SOUFRIERE GUADELOUPE | West Indies | |
| CARNEGIE VOLCANO | Cinder cone of PINACATE | México | |
| CARNEIRO, MONTE | Cone of FAYAL | Azores | |
| CARNERO, CERRO EL | Cone of FLORES | Guatemala | |
| CAROLI ? | Synonym of SHISHALDIN | Aleutian Islands | |
| CARPINTERO NORTE, EL | Cinder cone of COLIMA | México | |
| CARPINTERO SUR, EL | Cinder cone of COLIMA | México | |
| CARRAN | Maar of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CARRAN, CERRO [LOS GUINDOS] | Stratovolcano of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CARRAN-LOS VENADOS | Pyroclastic cones | Historical | Central Chile & Argentina |
| CARRIZOZO | Cinder cones | Surface Exposure | USA (New Mexico) |
| CARTAGO, VOLCAN DE | Synonym of IRAZU | Costa Rica | |
| CARVAO | Cone of SETE CIDADES | Azores | |
| CASA DIABLO HOT SPRINGS | Thermal Feature of LONG VALLEY | USA (California) | |
| CASABLANCA | Stratovolcano of ANTILLANCA GROUP | Central Chile & Argentina | |
| CASAS, LAS | Thermal Feature of TENORIO | Costa Rica | |
| CASCAJO, MONTANA | Cinder cone of TENERIFE | Canary Islands | |
| CASIBOY [KASIBOI] | Cone of MAHAGNAO | Central Philippines | |
| CASIRI, NEVADOS | Stratovolcanoes | Holocene | Perú |
| CASITA | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CASITAS, VOLCAN | Fissure vent of AZUL, CERRO | Central Chile & Argentina | |
| CASM VENT FIELD | Thermal Feature of AXIAL SEAMOUNT | Pacific Ocean (northern) | |
| CASSIEN, CRATERE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CASSIOPE CONE | Cone of IMURUK LAKE | Alaska (western) | |
| CASTEIHANO, PICO DO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| CASTELGANDOLFO [ALBANO] | Maar of ALBAN HILLS | Italy | |
| CASTELLARO | Pleistocene caldera of LIPARI | Italy | |
| CASTELLO | Dome of PANAREA | Italy | |
| CASTELLO D'ISCHIA | Dome of ISCHIA | Italy | |
| CASTELO BRANCO | Dome of FAYAL | Azores | |
| CASTIGLIONE | Crater of ALBAN HILLS | Italy | |
| CASTIGLIONE | Dome of ISCHIA | Italy | |
| CASTILLO, CERRO DE LOS | Cinder cone of CHINGO | Guatemala | |
| CASTILLO, CERRO EL | Cone of LAJAS, LAS | Nicaragua | |
| CASTILLO, EL | Dome of YEGUADA, LA | Panamá | |
| CASTLE OF ISCHIA [CASTELLO D'ISCHIA] | Dome of ISCHIA | Italy | |
| CASTLE PEAK | Dome of SOUFRIERE HILLS | West Indies | |
| CASTLE ROCK | Dome of BOGOSLOF | Aleutian Islands | |
| CASTOR | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| CASTRO BANK | Synonym of DON JOAO DE CASTRO BANK | Azores | |
| CASUELA JUYU | Synonym of TOLIMAN | Guatemala | |
| CATACU, CERRO | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CATANIA, MONTE DI | Synonym of ETNA | Italy | |
| CATARMAN | Synonym of CAMIGUIN | Mindanao | |
| CATARMAN [HIBOK-HIBOK] | Stratovolcano of CAMIGUIN | Mindanao | |
| CATATUNGAN | Synonym of KALATUNGAN | Mindanao | |
| CATERATTTE, MONTE | Cinder cone of ETNA | Italy | |
| CATHEDRAL ROCK [NAPERITO] | Tuff cone of BARRIER, THE | Africa (eastern) | |
| CATHERINE | Tuff ring of GADA ALE | Africa (northeastern) & Red Sea | |
| CATINOCJUYUP [CERRO QUEMADO] | Dome of ALMOLONGA | Guatemala | |
| CATU | Crater of BATUR | Lesser Sunda Islands | |
| CATUR CALDERA | Synonym of BRATAN | Lesser Sunda Islands | |
| CAUA | Synonym of CAGUA | Luzon | |
| CAUBET, CRATERE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CAULLE CHICO [PICHI CAULLE] | Cone of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CAULLE GRANDE | Synonym of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CAVA NOCELLE | Crater of ISCHIA | Italy | |
| CAVA PETRELLA | Cone of ISCHIA | Italy | |
| CAVAGNARO | Crater of SANTA CRUZ | Galápagos Islands | |
| CAVALO, PICO DO | Cone of SETE CIDADES | Azores | |
| CAVE GULCH HILL | Cinder cone of TRISTAN DA CUNHA | Atlantic Ocean (southern) | |
| CAVERNE POMME DE TERRE, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CAVERNE, ILE DE LA | Synonym of PRINCE EDWARD ISLAND | Indian Ocean (southern) | |
| CAVIAHUE | Caldera of COPAHUE | Central Chile & Argentina | |
| CAVO, MONTE | Synonym of ALBAN HILLS | Italy | |
| CAVO, MT. | Cinder cone of ALBAN HILLS | Italy | |
| CAVONI | Submarine vent of STROMBOLI | Italy | |
| CAWALO | Thermal Feature of PALUWEH | Lesser Sunda Islands | |
| CAWS ROAD | Dome of MAROA | New Zealand | |
| CAY | Stratovolcano | Holocene? | Southern Chile & Argentina |
| CAYAMBE | Compound volcano | Historical | Ecuador |
| CAYAPIREN | Synonym of MINCHINMAVIDA | Southern Chile & Argentina | |
| CAYONAN | Cone of BABUYAN CLARO | North of Luzon | |
| CAYUSE CONE | Cinder cone of SOUTH SISTER | USA (Oregon) | |
| CAYUTE, VOLCAN | Cone of CAYUTUE-LA VIGUERIA | Southern Chile & Argentina | |
| CAYUTUE-LA VIGUERIA | Pyroclastic cones | Tephrochronology | Southern Chile & Argentina |
| CAZUEL, CERRO | Pyroclastic Cone of NEGRA, SIERRA | Galápagos Islands | |
| CEBOLLAS, LAS | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CEBOROQUITO | Cinder cone of CEBORUCO | México | |
| CEBORUCO | Stratovolcano | Historical | México |
| CEDAR HILL | Dome of EBURRU, OL DOINYO | Africa (eastern) | |
| CEDRO, PICO DO | Cone of SETE CIDADES | Azores | |
| CEHENNEM TEPE | Crater of TENDUREK DAGI | Turkey | |
| CEIBA CHACHA, CERRO | Cinder cone of COATEPEQUE CALDERA | El Salvador & Honduras | |
| CEILLE, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CEKOK, KAWAH | Thermal Feature of GALUNGGUNG | Java | |
| CELAYA CRATER | Maar of PINACATE | México | |
| CELLE | Crater of CAMPI FLEGREI | Italy | |
| CELOSA, CERRO LA | Cone of OLLAGUE | Northern Chile, Bolivia & Argentina | |
| CEMARA, GUNUNG | Cone of IJEN | Java | |
| CEMEL TEPE | Maar of KULA | Turkey | |
| CEMENTERIO BRITO, CERRO DEL | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| CEMENTERIO CERRO REDONDO, CERRO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| CEMETARY CRATER | Maar of AUCKLAND FIELD | New Zealand | |
| CEMOROLAWANG | Stratovolcano of TENGGER CALDERA | Java | |
| CEMOROLAWANG [CEMARA LAWANG] | Stratovolcano of TENGGER CALDERA | Java | |
| CEMRKOPRU BARAJ GOLU | Cone of KULA | Turkey | |
| CENDRES, ILE DES | Submarine volcanoes | Historical | Southeast Asia |
| CENGYU | Synonym of ZENGYU | Taiwan | |
| CENIZA, VOLCAN | Cinder cone of SAN QUINTIN VOLCANIC FIELD | México | |
| CENIZAS, CERRO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| CENIZAS, CERRO | Synonym of PUNTIAGUDO-CORDON CENIZOS | Central Chile & Argentina | |
| CENO-SEMIACHIK | Stratovolcano of MALY SEMIACHIK | Kamchatka Peninsula | |
| CENTENARI, MONTE | Cinder cone of ETNA | Italy | |
| CENTRAL ATITLAN | Cone of TOLIMAN | Guatemala | |
| CENTRAL CONE | Stratovolcano of WHITE ISLAND | New Zealand | |
| CENTRAL CONE GROUP | Cinder cone of COFRE DE PEROTE | México | |
| CENTRAL CRATER COMPLEX | Caldera of DIAMOND CRATERS | USA (Oregon) | |
| CENTRAL DOME | Dome of WHALE ISLAND | New Zealand | |
| CENTRAL GROUP | Cinder cone of SAND MOUNTAIN FIELD | USA (Oregon) | |
| CENTRAL ISLAND | Tuff cones | Holocene | Africa (eastern) |
| CENTRAL PUMICE CONE | Pumice cone of NEWBERRY | USA (Oregon) | |
| CENTRAL REEFS | Crater of PANAREA | Italy | |
| CENTRAL, PICO | Synonym of ACATENANGO | Guatemala | |
| CENTRALNY | Shield volcano of POGRANYCHNY | Kamchatka Peninsula | |
| CENTRE PEAK | Cone of ZUBAIR, JEBEL | Africa (northeastern) & Red Sea | |
| CENTRO, EL | Dome of CEBORUCO | México | |
| CERBERUS | Stratovolcano of SEMISOPOCHNOI | Aleutian Islands | |
| CERBERUS, MT. | Dome of TRIDENT | Alaska Peninsula | |
| CEREME | Stratovolcano | Historical | Java |
| CERIMAI | Synonym of CEREME | Java | |
| CERISY PEAK | Stratovolcano of LONG ISLAND | Northeast of New Guinea | |
| CERME | Synonym of CEREME | Java | |
| CERRA, LA | Cone of PACAYA | Guatemala | |
| CERRADO NOVO | Dome of AGUA DE PAU | Azores | |
| CERRILLO, CERRO EL [CHAJNANTOR] | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| CERRITO | See proper name (e.g. ESPINO, CERRITO EL) | Spanish for PEAK | |
| CERRITO, CERRO EL | Cinder cone of NAOLINCO VOLCANIC FIELD | México | |
| CERRITO, CERRO EL | Cinder cone of SAN SALVADOR | El Salvador & Honduras | |
| CERRITO, EL | Cinder cone of APANECA RANGE | El Salvador & Honduras | |
| CERRITOS, LOS | Cone of SANTIAGO, CERRO | Guatemala | |
| CERRO | See proper name (e.g. MESA, CERRO DE) | Spanish for PEAK | |
| CERRON, CERRO | Dome of APASTEPEQUE FIELD | El Salvador & Honduras | |
| CERRON, CERRO EL | Cone of IXTEPEQUE | Guatemala | |
| CERRON, EL | Synonym of SINGUIL, CERRO | El Salvador & Honduras | |
| CEYSSAT, MAAR DE | Maar of CHAINE DES PUYS | Western Europe | |
| CHA | Caldera of FOGO | Cape Verde Islands | |
| CHABBI [CHEBBI] | Stratovolcano of CORBETTI CALDERA | Africa (northeastern) & Red Sea | |
| CHAC-INCA, CERRO | Dome of AZUFRE, CERRO DEL | Northern Chile, Bolivia & Argentina | |
| CHACANA | Caldera | Historical | Ecuador |
| CHACHA | Synonym of TIATIA | Kuril Islands | |
| CHACHACASTE, CERRO | Dome of ILOPANGO | El Salvador & Honduras | |
| CHACHANI, NEVADO | Stratovolcano | Holocene? | Perú |
| CHACHANOBORI (CHACHANUPURI) | Synonym of TIATIA | Kuril Islands | |
| CHACHANUPURI | Synonym of ALAID | Kuril Islands | |
| CHACHIMBIRO | Stratovolcano | Radiocarbon | Ecuador |
| CHADUTKA | Synonym of KHODUTKA | Kamchatka Peninsula | |
| CHAGUITILLO, CERRO | Dome of IXTEPEQUE | Guatemala | |
| CHAGULAK | Stratovolcano | Holocene | Aleutian Islands |
| CHAHALE | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHAHOLO | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHAHORRA | Cinder cone of TENERIFE | Canary Islands | |
| CHAIKUTES | Thermal Feature of KOS | Greece | |
| CHAIMU | Cone of CHYULU HILLS | Africa (eastern) | |
| CHAIN OF CRATERS | Crater of CENTRAL ISLAND | Africa (eastern) | |
| CHAINE DES PUYS | Cinder cones | Radiocarbon | Western Europe |
| CHAIQUEMAHUIDA, VOLCAN | Cinder cone of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| CHAISANDUKU | Crater of BUNYARUGURU | Africa (central) | |
| CHAITEN | Caldera | Historical | Southern Chile & Argentina |
| CHAJNANTOR, CERRO | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| CHAKUNAGE | Cone of NISEKO | Hokkaido | |
| CHALA | Cone of KILIMANJARO | Africa (eastern) | |
| CHALARD, PUY | Cone of CHAINE DES PUYS | Western Europe | |
| CHALCHIHUITES | Cinder cone of CHICHINAUTZIN | México | |
| CHALCHUAPA, CERRITO DE | Cinder cone of APASTEPEQUE FIELD | El Salvador & Honduras | |
| CHALCHUAPA, LAGUNA DE [LAGUNA DE CHALCHUAPAN] | Pit crater of APASTEPEQUE FIELD | El Salvador & Honduras | |
| CHALCHUAPAN, LAGUNA DE | Pit crater of APASTEPEQUE FIELD | El Salvador & Honduras | |
| CHALLAPIREN | Synonym of MINCHINMAVIDA | Southern Chile & Argentina | |
| CHALLHUE MAURAS, VOLCAN | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| CHAMBAGUNGURU | Cone of KIEYO | Africa (eastern) | |
| CHAMBAJI | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHAMBASEGERA | Cone of KIEYO | Africa (eastern) | |
| CHAMBUGA [MBUGA] | Maar of KATWE-KIKORONGO | Africa (central) | |
| CHAMENGO | Crater of BUNYARUGURU | Africa (central) | |
| CHAMONGERA | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHAMPAGNE | Thermal Feature of NW EIFUKU | Izu, Volcano, & Mariana Islands | |
| CHAMPAGNE | Thermal Feature of PLAT PAYS, MORNE | West Indies | |
| CHAMPALALA | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHAMPES PHLEGRAIS | Synonym of CAMPI FLEGREI | Italy | |
| CHAMUSCADA, MONTANA | Cinder cone of HIERRO | Canary Islands | |
| CHANA | Synonym of MINCHINMAVIDA | Southern Chile & Argentina | |
| CHANAL, CERRO EL | Cinder cone of GRANADA | Nicaragua | |
| CHANCE'S MOUNTAIN | Synonym of SOUFRIERE HILLS | West Indies | |
| CHANCE'S PEAK | Dome of SOUFRIERE HILLS | West Indies | |
| CHANCHANI | Synonym of CHACHANI, NEVADO | Perú | |
| CHANCHO, VOLCAN | Cinder cone of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CHANCHOCO, TERMAS DE | Thermal Feature of COPAHUE | Central Chile & Argentina | |
| CHANCHOS, LOS | Dome of COSIGUINA | Nicaragua | |
| CHANEL | Synonym of LLAIMA | Central Chile & Argentina | |
| CHANG PEAK | Shield volcano of WAESCHE | Antarctica & South Sandwich Islands | |
| CHANG-PAI | Thermal Feature of CHANGBAISHAN | China (eastern) | |
| CHANG-PAI-SHAN | Synonym of CHANGBAISHAN | China (eastern) | |
| CHANGAR | Synonym of KHANGAR | Kamchatka Peninsula | |
| CHANGBAISHAN | Stratovolcano | Historical | China (eastern) |
| CHANGOMENI [CHOUNGOU-CHAGNOUMENI] | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHANGOU-CHAHALE [CHOUNGOU-CHAHALE] | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHANGPO | Cone of TENGCHONG | Southeast Asia | |
| CHANJALE | Caldera of TACANA | México | |
| CHANKA | Dome of AZUFRE, CERRO DEL | Northern Chile, Bolivia & Argentina | |
| CHANKOROGO | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHANMICO, LAGUNA DE | Maar of SAN SALVADOR | El Salvador & Honduras | |
| CHANQUE-MALLIN | Stratovolcano of DOMUYO | Central Chile & Argentina | |
| CHANUJ GOL | Synonym of KHANUY GOL | Mongolia | |
| CHAOKHCH | Synonym of KOSHELEV | Kamchatka Peninsula | |
| CHAOS CRAGS | Dome of LASSEN VOLCANIC CENTER | USA (California) | |
| CHAPARRASTIQUE | Synonym of SAN MIGUEL | El Salvador & Honduras | |
| CHAPCHAP | Cone of OKU VOLCANIC FIELD | Africa (western) | |
| CHAPULIN, CERRO EL | Dome of PRIMAVERA, SIERRA LA | México | |
| CHAPULTEPEC | Lava cone of CHICHINAUTZIN | México | |
| CHAPULUL, CERRO | Cinder cone of MARINAQUI, LAGUNA | Central Chile & Argentina | |
| CHARASH-DAG | Shield volcano of AZAS PLATEAU | Russia (southeastern) | |
| CHARCO MUERTO | Tuff ring of ZAPATERA | Nicaragua | |
| CHARCO, EL | Cinder cone of LA PALMA | Canary Islands | |
| CHARMONT, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| CHAROS | Thermal Feature of MILOS | Greece | |
| CHASCON DE PURICO [CERRO EL CHASCON] | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| CHASCON SUR, CERRO | Cinder cone of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CHASCON, CERRO | Dome of GUAYAQUES | Northern Chile, Bolivia & Argentina | |
| CHASCON, CERRO | Cinder cone of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CHASCON, CERRO EL | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| CHASHAKONDZHA | Stratovolcano of ALNEY-CHASHAKONDZHA | Kamchatka Peninsula | |
| CHASM, THE [LA VORAGINE] | Crater of ETNA | Italy | |
| CHASM, THE [WAHANGA-WAIMANGU] | Fissure vent of OKATAINA | New Zealand | |
| CHAT, PITON DE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CHATA, CERRO LA | Lava cone of SAN DIEGO | El Salvador & Honduras | |
| CHATEAU FORT, LE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CHATHAM | Synonym of SAN CRISTOBAL | Galápagos Islands | |
| CHATITO | Dome of ARENAL | Costa Rica | |
| CHATO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CHATO, CERRITO | Dome of VALLES CALDERA | USA (New Mexico) | |
| CHATO, CERRO | Dome of PRIMAVERA, SIERRA LA | México | |
| CHATO, CERRO | Cone of RINCON DE LA VIEJA | Costa Rica | |
| CHATO, CERRO | Stratovolcano of ARENAL | Costa Rica | |
| CHAUDIERES, LES | Thermal Feature of SOUFRIERE GUADELOUPE | West Indies | |
| CHAUDRON | Cone of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| CHAUMONT, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| CHAUSU-DAKE | Dome of NASU | Honshu | |
| CHAUSU-YAMA | Dome of KITA YATSUGA-TAKE | Honshu | |
| CHAUSU-YAMA | Synonym of NIIGATA-YAKE-YAMA | Honshu | |
| CHAVAS | Crater of GALERAS | Colombia | |
| CHAYACHII | Dome of KURILE LAKE | Kamchatka Peninsula | |
| CHAYLL | Synonym of LLAIMA | Central Chile & Argentina | |
| CHEBBI | Stratovolcano of CORBETTI CALDERA | Africa (northeastern) & Red Sea | |
| CHEBRIT ALE | Synonym of GADA ALE | Africa (northeastern) & Red Sea | |
| CHECHITNO PEAK | Synonym of WRANGELL | Alaska (eastern) | |
| CHEIMU [CHAIMU] | Cone of CHYULU HILLS | Africa (eastern) | |
| CHEJU-DO | Synonym of HALLA | Korea | |
| CHELI MINE, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CHEMINEE NORD [CHANGOMENI] | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHEMINEE SUD [CHAHALE] | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHENGZILOU | Cone of TENGCHONG | Southeast Asia | |
| CHEPE | Cinder cone of UDOKAN PLATEAU | Russia (southeastern) | |
| CHEPTOMAS | Dome of PAKA | Africa (eastern) | |
| CHEQUEPUQUINA | Synonym of HUAYNAPUTINA | Perú | |
| CHERINGERAN, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CHERINKUTAN | Synonym of CHIRINKOTAN | Kuril Islands | |
| CHERNABURA | Synonym of AUGUSTINE | Alaska (southwestern) | |
| CHERNOYE LAKE | Thermal Feature of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| CHERNY | Stratovolcano of CHIRPOI | Kuril Islands | |
| CHERNY | Dome of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| CHERNY | Stratovolcano | Holocene? | Kamchatka Peninsula |
| CHERNYI UTES | Dome of KSUDACH | Kamchatka Peninsula | |
| CHERPUK GROUP | Pyroclastic cones | Radiocarbon | Kamchatka Peninsula |
| CHESORO | Vent of KOROSI | Africa (eastern) | |
| CHETKIN | Synonym of GREAT SITKIN | Aleutian Islands | |
| CHEYU | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHFEALIN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| CHIAPA | Shield volcano of HUMEROS, LOS | México | |
| CHIAR KKOLLU | Cinder cone of JAYU KHOTA, LAGUNA | Northern Chile, Bolivia & Argentina | |
| CHIAUS | Synonym of TEON | Banda Sea | |
| CHIBUZU | Synonym of POAS | Costa Rica | |
| CHICHALDINSKOI | Synonym of SHISHALDIN | Aleutian Islands | |
| CHICHICASTEPEC [CERRO DE APANECA] | Stratovolcano of APANECA RANGE | El Salvador & Honduras | |
| CHICHIGALPA [CASITA] | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CHICHIHUALE | Dome of CUMBRES, LAS | México | |
| CHICHIMECO | Dome of ORIZABA, PICO DE | México | |
| CHICHINAUTZIN | Volcanic field | Radiocarbon | México |
| CHICHINAUTZIN, CERRO | Shield volcano of CHICHINAUTZIN | México | |
| CHICHINTOR, CERRITO | Cone of IPALA | Guatemala | |
| CHICHON, EL | Lava domes | Historical | México |
| CHICHONAL, EL | Synonym of CHICHON, EL | México | |
| CHICHONTEPEC | Synonym of SAN VICENTE | El Salvador & Honduras | |
| CHICHONTEPEQUE | Synonym of SAN VICENTE | El Salvador & Honduras | |
| CHICHUJ | Stratovolcano of TACANA | México | |
| CHICKEN KILLER | Thermal Feature of KANLAON | Central Philippines | |
| CHICO, PICO [YEPOCAPA] | Stratovolcano of ACATENANGO | Guatemala | |
| CHICO, VOLCAN | Fissure vent of NEGRA, SIERRA | Galápagos Islands | |
| CHIEN-SHUI-TING-TZU [JIANSHUIDINGZI] | Cone of LONGGANG GROUP | China (eastern) | |
| CHIESA VECCHIA | Stratovolcano of LIPARI | Italy | |
| CHIEWO | Cone of HOMA MOUNTAIN | Africa (eastern) | |
| CHIGIGNAGAK | Synonym of CHIGINAGAK | Alaska Peninsula | |
| CHIGINAGAK | Stratovolcano | Historical | Alaska Peninsula |
| CHIGOWE | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHIHSINGSHAN | Stratovolcano of TATUN GROUP | Taiwan | |
| CHIHUIO | Stratovolcano of HUANQUIHUE GROUP | Central Chile & Argentina | |
| CHIKOIDA MOUNTAIN | Cone of ATLIN VOLCANIC FIELD | Canada | |
| CHIKOSE | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHIKUBO | Cone of IZU-TOBU | Honshu | |
| CHIKURA-DAKE | Synonym of CHIKURACHKI | Kuril Islands | |
| CHIKURACHKI | Stratovolcanoes | Historical | Kuril Islands |
| CHILACAYOTE, CERRO EL | Shield volcano of ZITACUARO-VALLE DE BRAVO | México | |
| CHILCAS, CERRO LAS | Dome of HUAYNAPUTINA | Perú | |
| CHILCAYOC GRANDE, VOLCAN | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| CHILCAYOC, VOLCANES | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| CHILCOTIN CREEK | Cinder cone of SATAH MOUNTAIN | Canada | |
| CHILES | Stratovolcano of NEGRO DE MAYASQUER, CERRO | Colombia | |
| CHILES, LOS | Cinder cone of PLATANAR | Costa Rica | |
| CHILESDO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CHILIQUES | Stratovolcano | Holocene? | Northern Chile, Bolivia & Argentina |
| CHILLAN VIEJO [VOLCAN VIEJO] | Stratovolcano of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| CHILLAN, NEVADOS DE | Stratovolcano | Historical | Central Chile & Argentina |
| CHILLING ISLAND [SILENGE ISLAND] | Cone of MUNDUA | New Britain | |
| CHILOE, VOLCAN DE? | Synonym of CORCOVADO | Southern Chile & Argentina | |
| CHILTEPE | Synonym of APOYEQUE | Nicaragua | |
| CHILTEPE, VOLCAN | Dome of APOYEQUE | Nicaragua | |
| CHIMBORAZO | Stratovolcano | Radiocarbon | Ecuador |
| CHIMNEY CRATER | Crater of LANGILA | New Britain | |
| CHIMNEY MOUNTAIN | Cone of SANTA CRUZ | Galápagos Islands | |
| CHINABORA, MT. | Synonym of AUGUSTINE | Alaska (southwestern) | |
| CHINAL | Synonym of LLAIMA | Central Chile & Argentina | |
| CHINAMECA | Stratovolcano | Holocene | El Salvador & Honduras |
| CHINANDEGA | Synonym of SAN CRISTOBAL | Nicaragua | |
| CHINAPO, CERRO | Dome of AZUFRES, LOS | México | |
| CHINCILLAS, CERRO LAS | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| CHINCONQUIAT, CERRO | Cinder cone of CHICHINAUTZIN | México | |
| CHINENDEGA | Synonym of SAN CRISTOBAL | Nicaragua | |
| CHING-PE | Synonym of JINGBO | China (eastern) | |
| CHINGANA, CERRO LA | Dome of CHACHANI, NEVADO | Perú | |
| CHINGEINGEIN | Shield volcano of UKSICHAN | Kamchatka Peninsula | |
| CHINGO | Stratovolcano | Holocene | Guatemala |
| CHINGO, VOLCAN | Stratovolcano of CHINGO | Guatemala | |
| CHINGPOHU | Synonym of JINGBO | China (eastern) | |
| CHINGYU | Synonym of LONGGANG GROUP | China (eastern) | |
| CHINITOS, LOS | Fissure vent of SAN SALVADOR | El Salvador & Honduras | |
| CHINO, CERRO | Cinder cone of PACAYA | Guatemala | |
| CHINO, CERRO [OLLA, CERRO LA] | Cinder cone of SANTA ANA | El Salvador & Honduras | |
| CHINO, CERRO DEL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CHINO, CERRO EL | Dome of AZUFRES, LOS | México | |
| CHINOIKE-JIGOKU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| CHINYERO | Cinder cone of TENERIFE | Canary Islands | |
| CHIO, MONTANA | Fissure vent of TENERIFE | Canary Islands | |
| CHIPILAPA | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| CHIQUIMULA VOLCANIC FIELD | Cinder cones | Holocene | Guatemala |
| CHIQUIOMATE | Synonym of HUAYNAPUTINA | Perú | |
| CHIQUITO, CERRO | Dome of PACAYA | Guatemala | |
| CHIRACHA | Stratovolcano | Holocene? | Africa (northeastern) & Red Sea |
| CHIRI-YAMA | Synonym of FUJI | Honshu | |
| CHIRICA | Stratovolcano of LIPARI | Italy | |
| CHIRIHOI [BRAT CHIRPOEV] | Stratovolcano of CHIRPOI | Kuril Islands | |
| CHIRIHOIGAKU [BRAT CHIRPOEV] | Stratovolcano of CHIRPOI | Kuril Islands | |
| CHIRINKOTAN | Stratovolcano | Historical | Kuril Islands |
| CHIRINKUTAN | Synonym of CHIRINKOTAN | Kuril Islands | |
| CHIRIP | Stratovolcanoes | Historical | Kuril Islands |
| CHIRIPNAPUI (CHIRIPNUPURI) | Synonym of CHIRIP | Kuril Islands | |
| CHIRIPORUPURI (CHIRIPPU-DAKE) | Synonym of CHIRIP | Kuril Islands | |
| CHIRIQUI, VOLCAN DE | Synonym of BARU | Panamá | |
| CHIRPOI | Caldera | Historical | Kuril Islands |
| CHIRRIQUI | Synonym of BARU | Panamá | |
| CHISENUPURI | Dome of NISEKO | Hokkaido | |
| CHISHIMA-IWO-ZAN | Synonym of EBEKO | Kuril Islands | |
| CHISNY, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CHITRA-CALOBRE | Synonym of YEGUADA, LA | Panamá | |
| CHITU | Maar of O'A CALDERA | Africa (northeastern) & Red Sea | |
| CHIUCHAM, CERRO | Dome of SANTO TOMAS | Guatemala | |
| CHIVATO, VOLCAN | Cone of DESCABEZADO GRANDE | Central Chile & Argentina | |
| CHIVO, CERRO | Cone of SAN CRISTOBAL | Galápagos Islands | |
| CHIVO, CERRO EL | Cone of PINACATE | México | |
| CHIVO, LOMA EL | Dome of PULULAGUA | Ecuador | |
| CHOASCHEN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| CHOCOLATE, CERRO [CERRO COLORADO] | Dome of ILOPANGO | El Salvador & Honduras | |
| CHOCOSUELA | Pleistocene caldera of PLATANAR | Costa Rica | |
| CHODUECO (CHODUANPIRE) | Synonym of OSORNO | Southern Chile & Argentina | |
| CHOJOCHONGEN | Synonym of KHODUTKA | Kamchatka Peninsula | |
| CHOKAI | Stratovolcanoes | Historical | Honshu |
| CHOKAI-SAN | Synonym of CHOKAI | Honshu | |
| CHOLOMDYK (CHOLOMDIK) | Cinder cone of UDOKAN PLATEAU | Russia (southeastern) | |
| CHOME | Crater of LLAIMA | Central Chile & Argentina | |
| CHOMPIPE, CERRO | Stratovolcano of BARVA | Costa Rica | |
| CH'ON-JI [TIANCHI] | Caldera of CHANGBAISHAN | China (eastern) | |
| CHONAJTAJUYUB, CERRO | Dome of SANTO TOMAS | Guatemala | |
| CHONCE, EL [VOLCAN EL CHONCO] | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CHONCLE [VOLCAN EL CHONCO] | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CHONCO, VOLCAN EL | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CHONI | Dome of METHANA | Greece | |
| CHOOGARYONG | Synonym of CH'UGA-RYONG | Korea | |
| CHOPINE, PUY | Dome of CHAINE DES PUYS | Western Europe | |
| CHORNY | Synonym of CHERNY | Kamchatka Peninsula | |
| CHOSHICHIRO-YAMA | Dome of AKAGI | Honshu | |
| CHOSHUENCO | Stratovolcano of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| CHOSHUENCO-EL MOCHO | Synonym of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| CHOSHUENCO-PILLAN | Synonym of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| CHOUNGOU-CHAGNOUMENI | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHOUNGOU-CHAHALE | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHOUNGOU-CHAMADJI | Crater of KARTHALA | Indian Ocean (western) | |
| CHOUPANOV | Synonym of ZHUPANOVSKY | Kamchatka Peninsula | |
| CHOWDER RIDGE | Stratovolcano of BAKER | USA (Washington) | |
| CHRISTENSEN NUNATAK | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| CHRISTMAS | Former crater of WHITE ISLAND | New Zealand | |
| CHUBBE, JABAL | Crater of ARHAB, HARRA OF | Arabia | |
| CHUCAMITEPEQUE [LOMA LOS SIETE CERROS] | Cone of CHINGO | Guatemala | |
| CHUFQUEN, VOLCAN | Cone of SOLLIPULLI | Central Chile & Argentina | |
| CH'UGA-RYONG | Shield volcano | Holocene? | Korea |
| CHUGINADAK | Synonym of CLEVELAND | Aleutian Islands | |
| CHUGUL | Synonym of SEGULA | Aleutian Islands | |
| CHULUUT | Synonym of TARYATU-CHULUTU | Mongolia | |
| CHUN-PO | Synonym of TENGCHONG | Southeast Asia | |
| CHUNGURURU | Maar of KIEYO | Africa (eastern) | |
| CHUO-KAKOKYU | Cone of TOKACHI | Hokkaido | |
| CHUO-ZAO | Stratovolcano of ZAO | Honshu | |
| CHUPADERO | Crater of TECUAMBURRO | Guatemala | |
| CHUPIQUINA, NEVADO | Stratovolcano of TACORA | Northern Chile, Bolivia & Argentina | |
| CHURCHILL | Stratovolcano | Radiocarbon | Alaska (eastern) |
| CHURCHILL | Stratovolcano | Radiocarbon | Alaska (eastern) |
| CHUWERA | Crater of BUNYARUGURU | Africa (central) | |
| CHYORNOGO | Synonym of CHIRPOI | Kuril Islands | |
| CHYULU HILLS | Volcanic field | Anthropology | Africa (eastern) |
| CIAMPINO | Crater of ALBAN HILLS | Italy | |
| CIATUR | Thermal Feature of TANGKUBANPARAHU | Java | |
| CIBEUREUM | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIBEUREUM | Thermal Feature of KAMOJANG, KAWAH | Java | |
| CIBEUREUM PALASARI | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIBODAS, CIPANAS | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIBODAS, KAWAH | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIBODAS, KAWAH | Thermal Feature of SALAK | Java | |
| CIBOLANG, KAWAH | Thermal Feature of WAYANG-WINDU | Java | |
| CIBUNI, KAWAH | Thermal Feature of PATUHA | Java | |
| CIBURIAL | Thermal Feature of KAMOJANG, KAWAH | Java | |
| CIEGA, LAGUNA | Vent of SAN SALVADOR | El Salvador & Honduras | |
| CIEGA, LAGUNA | Stratovolcano of TECAPA | El Salvador & Honduras | |
| CIEGO, MONTAÑA | Cinder cone of TENERIFE | Canary Islands | |
| CIGAMEA, KAWAH | Thermal Feature of SALAK | Java | |
| CIGLIANO | Crater of CAMPI FLEGREI | Italy | |
| CIGLIO | Cone of ISCHIA | Italy | |
| CIGUATEPE, CERRO EL | Stratovolcano | Holocene? | Nicaragua |
| CIGUPAKAN | Thermal Feature of KENDANG | Java | |
| CIHARUS | Stratovolcano of KAMOJANG, KAWAH | Java | |
| CIHIDEUNG, CIPANAS | Thermal Feature of SALAK | Java | |
| CIKALUWUNG PUTRI, KAWAH | Thermal Feature of SALAK | Java | |
| CIKALUWUNG, CIPANAS | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIKALUWUNGHERANG, KAWAH | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CILEKATAN, GUNUNG | Cone of SLAMET | Java | |
| CILIK, GUNUNG | Cone of SLAMET | Java | |
| CILIK, GUNUNG | Cone of IJEN | Java | |
| CIMOTOE | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| CINCO PICOS | Shield volcano of TERCEIRA | Azores | |
| CINDER BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| CINDER CLIFF | Cone of EDZIZA | Canada | |
| CINDER CONE | Cinder cone of SHASTA | USA (California) | |
| CINDER CONE | Cinder cone of MEDICINE LAKE | USA (California) | |
| CINDER CONE | Cinder cone of LASSEN VOLCANIC CENTER | USA (California) | |
| CINDER CONE, THE | Cone of GARIBALDI LAKE | Canada | |
| CINDER HILL | Cone of NEWBERRY | USA (Oregon) | |
| CINDER HILLS | Cone of KILAUEA | Hawaiian Islands | |
| CINDER MOUNTAIN | Cone of ISKUT-UNUK RIVER CONES | Canada | |
| CINNAMON BUTTE | Cinder cones | Holocene? | USA (Oregon) |
| CINOTEPEC, CERRO | Synonym of CINOTEPEQUE, CERRO | El Salvador & Honduras | |
| CINOTEPEQUE, CERRO | Volcanic field | Holocene | El Salvador & Honduras |
| CINOTEPEQUE, CERRO | Volcanic field | Holocene | El Salvador & Honduras |
| CINQUE DENTI | Pleistocene caldera of PANTELLERIA | Italy | |
| CINTRAO | Dome of AGUA DE PAU | Azores | |
| CIOTHIRAI | Cone of NYAMBENI HILLS | Africa (eastern) | |
| CIPAMATUTAN | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIPANAS | See proper name (e.g. CIBODAS, CIPANAS) | Indonesian for HOT SPRINGS | |
| CIPANAS, KAWAH | Thermal Feature of SALAK | Java | |
| CIPENGASAHAN, KAWAH | Thermal Feature of KAMOJANG, KAWAH | Java | |
| CIREMAI | Synonym of CEREME | Java | |
| CIS, MOUNT | Cone of EREBUS | Antarctica & South Sandwich Islands | |
| CISALADA, CIPANAS | Thermal Feature of SALAK | Java | |
| CISALADA, KAWAH | Thermal Feature of SALAK | Java | |
| CISEKATI, CIPANAS | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CISEUPAN, CIPANAS | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CISNE, NEVADO EL | Dome of RUIZ, NEVADO DEL | Colombia | |
| CISTERNAZZA | Crater of ETNA | Italy | |
| CITERNE, CRATERE | Crater of KARTHALA | Indian Ocean (western) | |
| CITERNE, LA | Cinder cone of SOUFRIERE GUADELOUPE | West Indies | |
| CITLALTEPEC | Synonym of ORIZABA, PICO DE | México | |
| CITLALTEPETL | Synonym of ORIZABA, PICO DE | México | |
| CITRONS GALETS, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CIWIDEI, KAWAH | Thermal Feature of PATUHA | Java | |
| CLAMBAKE | Thermal Feature of GALAPAGOS RIFT | Pacific Ocean (eastern) | |
| CLAPEROLS, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CLARA PEAK | Shield volcano of VALLES CALDERA | USA (New Mexico) | |
| CLARA, LAGUNETA | Cinder cone of SAN DIEGO | El Salvador & Honduras | |
| CLARA, MONTANA | Cone of LANZAROTE | Canary Islands | |
| CLARK | Submarine volcano | Fumarolic | New Zealand |
| CLAY, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| CLEAR LAKE | Volcanic field | Holocene | USA (California) |
| CLEARWATER CONE GROUP | Synonym of WELLS GRAY-CLEARWATER | Canada | |
| CLEETWOOD | Vent of CRATER LAKE | USA (Oregon) | |
| CLEFT SEGMENT | Submarine volcano | Historical | Pacific Ocean (northern) |
| CLERIGO DUARTE, MONTANA DEL [VOLCAN TAO] | Cone of LANZAROTE | Canary Islands | |
| CLERMONT CHAMALIERES | Maar of CHAINE DES PUYS | Western Europe | |
| CLEVELAND | Stratovolcano | Historical | Aleutian Islands |
| CLIERZOU | Dome of CHAINE DES PUYS | Western Europe | |
| CLINKER PEAK | Stratovolcano of GARIBALDI LAKE | Canada | |
| COATEPEQUE CALDERA | Caldera | Holocene | El Salvador & Honduras |
| COATS CALDERA | Caldera of YUNASKA | Aleutian Islands | |
| COAXIAL SEGMENT | Submarine volcano | Historical | Pacific Ocean (northern) |
| COAXUSCO | Cinder cone of CHICHINAUTZIN | México | |
| COBA NEGRA | Pleistocene caldera of GALERAS | Colombia | |
| COBB MOUNTAIN | Cone of CLEAR LAKE | USA (California) | |
| COBB SEGMENT | Submarine volcano | Uranium-series | Pacific Ocean (northern) |
| COCHA I, LA | Dome of ATACAZO | Ecuador | |
| COCHA II, LA | Dome of ATACAZO | Ecuador | |
| COCHAGUE | Synonym of CONCHAGUA | El Salvador & Honduras | |
| COCHAPAMPA, CERRO | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| COCHAPATA | Dome of CHACHIMBIRO | Ecuador | |
| COCHIQUITO VOLCANIC GROUP | Stratovolcanoes | Holocene | Central Chile & Argentina |
| COCHIQUITO, VOLCAN | Stratovolcano of COCHIQUITO VOLCANIC GROUP | Central Chile & Argentina | |
| COCHONS, ILE AUX | Stratovolcano | Holocene | Indian Ocean (southern) |
| COCHONS, PITON DES | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| COCO, PITON DE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| COCOA | Crater of EDZIZA | Canada | |
| COCONUCOS, LOS | Cone of PURACE | Colombia | |
| COCONUSCOS-AGUAS HERVIENDO | Thermal Feature of PURACE | Colombia | |
| COCONUSCOS-AGUAS TIBIAS | Thermal Feature of PURACE | Colombia | |
| COFFEE | Crater of EDZIZA | Canada | |
| COFFEEPOT CRATER | Crater of JORDAN CRATERS | USA (Oregon) | |
| COFRE DE PEROTE | Shield volcanoes | Radiocarbon | México |
| COGON | Dome of LABO | Luzon | |
| COHUAZALO, VOLCAN | Cone of CHICHINAUTZIN | México | |
| COIGUE | Crater of LLAIMA | Central Chile & Argentina | |
| COJUTEPEQUE | Synonym of ILOPANGO | El Salvador & Honduras | |
| COLACHI | Stratovolcano | Holocene | Northern Chile, Bolivia & Argentina |
| COLADA DENDRIFORME [CRATERES DE LOS BANOS] | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| COLADA LAS NIEBLAS | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| COLADO OCCIDENTAL | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| COLANGAL, CERRO | Dome of MOJANDA | Ecuador | |
| COLARDEAU, FUMEROLLES | Thermal Feature of SOUFRIERE GUADELOUPE | West Indies | |
| COLD BAY VOLC CENTER | Synonym of FROSTY | Alaska Peninsula | |
| COLEMAN SEAMOUNT | Submarine volcano | Holocene | Bougainville & Solomon Islands |
| COLIMA | Stratovolcanoes | Historical | México |
| COLIMA, NEVADO DE | Stratovolcano of COLIMA | México | |
| COLLAQUI | Synonym of CALLAQUI | Central Chile & Argentina | |
| COLLE IANO | Cinder cone of ALBAN HILLS | Italy | |
| COLLE MARGHERITA | Dome of VESUVIUS | Italy | |
| COLLE ROTONDELLA | Dome of CAMPI FLEGREI | Italy | |
| COLLE UMBERTO | Dome of VESUVIUS | Italy | |
| COLLI ALBANI | Synonym of ALBAN HILLS | Italy | |
| COLLI LAZIALE | Synonym of ALBAN HILLS | Italy | |
| COLLI, CERRO EL | Dome of PRIMAVERA, SIERRA LA | México | |
| COLLIER CONE | Cinder cone of NORTH SISTER FIELD | USA (Oregon) | |
| COLO [UNA UNA] | Stratovolcano | Historical | Sulawesi |
| COLOCI [TAULEVU] | Cone of TAVEUNI | Fiji Islands | |
| COLOMBO BANK | Maar of SANTORINI | Greece | |
| COLOOT | Synonym of KELUT | Java | |
| COLORADA, CALDERA | Cinder cone of LANZAROTE | Canary Islands | |
| COLORADA, MONTANA [MONTANA RODEOS] | Cinder cone of LANZAROTE | Canary Islands | |
| COLORADAS, LOMAS | Cinder cone of SOCORRO | México | |
| COLORADO | Crater of LLAIMA | Central Chile & Argentina | |
| COLORADO | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| COLORADO | Cinder cone of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| COLORADO, CERRO | Cone of ZUNI-BANDERA | USA (New Mexico) | |
| COLORADO, CERRO | Tuff ring of PINACATE | México | |
| COLORADO, CERRO | Cinder cone of COFRE DE PEROTE | México | |
| COLORADO, CERRO | Dome of ILOPANGO | El Salvador & Honduras | |
| COLORADO, CERRO | Stratovolcano of MOMOTOMBO | Nicaragua | |
| COLORADO, CERRO | Cone of SAIRECABUR | Northern Chile, Bolivia & Argentina | |
| COLORADO, CERRO | Cone of CALABOZOS | Central Chile & Argentina | |
| COLORADO, CERRO | Cone of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| COLUMBA, VOLCAN | Cone of CALATRAVA VOLCANIC FIELD | Western Europe | |
| COLUMBIA CREST | Crater of RAINIER | USA (Washington) | |
| COLUMBO BANK [COLOMBO BANK] | Maar of SANTORINI | Greece | |
| COLUMNAR PEAK | Dome of GARIBALDI | Canada | |
| COMAL CHICO | Cinder cone of COLIMA | México | |
| COMAL GRANDE | Cinder cone of COLIMA | México | |
| COMALITO | Cinder cone of MASAYA | Nicaragua | |
| COMBEGRASSE, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| COME, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| COMMERSON, CRATERE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| COMONDU-LA PURISIMA | Volcanic field | Holocene? | México |
| COMPANA, CERRO LA | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| COMPANIA, CERRO | Cinder cone of CHINGO | Guatemala | |
| COMPANY BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| COMPETRI, MONTE | Cone of ALBAN HILLS | Italy | |
| COMUNIDAD | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| CONACASTE, CERRO [CERRO CHACHACASTE] | Dome of ILOPANGO | El Salvador & Honduras | |
| CONCEPCION | Stratovolcano | Historical | Nicaragua |
| CONCEPCION | Cone of BARVA | Costa Rica | |
| CONCEPCION DE ATACO | Pit crater of APANECA RANGE | El Salvador & Honduras | |
| CONCHA, LA | Fissure vent of CONCEPCION | Nicaragua | |
| CONCHAGUA | Stratovolcano | Uncertain | El Salvador & Honduras |
| CONCHAGUA ISLAND | Synonym of CONCHAGUITA | El Salvador & Honduras | |
| CONCHAGUITA | Stratovolcano | Historical | El Salvador & Honduras |
| CONCOLA | Crater of CAMPI FLEGREI | Italy | |
| CONCORDIA, CERRO LA GGUARAZI] | Cinder cone of BARVA | Costa Rica | |
| CONDON BUTTE | Cinder cone of NORTH SISTER FIELD | USA (Oregon) | |
| CONDOR, CERRO | Stratovolcano of ANTUCO | Central Chile & Argentina | |
| CONDOR, CERRO EL | Stratovolcano | Holocene | Northern Chile, Bolivia & Argentina |
| CONDRODIMUKO | Thermal Feature of DIENG VOLCANIC COMPLEX | Java | |
| CONDRODIMUKO, KAWAH | Thermal Feature of MERBABU | Java | |
| CONE CRATER | Cone of KILAUEA | Hawaiian Islands | |
| CONE GLACIER | Cone of ISKUT-UNUK RIVER CONES | Canada | |
| CONE HILL | Fissure vent of ST. PAUL ISLAND | Alaska (western) | |
| CONE PEAK | Cone of KILAUEA | Hawaiian Islands | |
| CONE PLACE | Cone of KILIMANJARO | Africa (eastern) | |
| CONEJAL, CERRO EL | Cinder cone of SANTA ANA | El Salvador & Honduras | |
| CONEJOS, MONTANAS DE LOS | Vent of TENERIFE | Canary Islands | |
| CONGO, CERRO | Stratovolcano of POAS | Costa Rica | |
| CONGO, VOLCAN | Synonym of PLATANAR | Costa Rica | |
| CONGRESS | Former crater of WHITE ISLAND | New Zealand | |
| CONGRO, LAGOA DO | Maar of AGUA DE PAU | Azores | |
| CONGUACO, CERRO | Crater of MOYUTA | Guatemala | |
| CONGUILLIO GROUP | Crater of LLAIMA | Central Chile & Argentina | |
| CONIL, MONT | Stratovolcano of PELEE | West Indies | |
| CONNECTED ISLAND | Cone of ZUBAIR, JEBEL | Africa (northeastern) & Red Sea | |
| CONTE VIDUA SOLFATARA FIELD | Thermal Feature of TONDANO CALDERA | Sulawesi | |
| CONTE, LE | Cinder cone of SOUTH SISTER | USA (Oregon) | |
| CONTODOC [CANTOLOC] | Stratovolcano of CABALIAN | Central Philippines | |
| CONTRADA CAFFEFI, CUDDIOLI DI | Vent of PANTELLERIA | Italy | |
| CONTRADA MURERA | Crater of CAMPI FLEGREI | Italy | |
| CONTRERAS, CERRO | Cinder cone of CRATER BASALT VOLCANIC FIELD | Southern Chile & Argentina | |
| CONVENTILIO, CERRO | Cone of SAN DIEGO | El Salvador & Honduras | |
| COOK ISLAND | Submarine vent of THULE ISLANDS | Antarctica & South Sandwich Islands | |
| COOK, VOLCAN | Synonym of FUEGUINO | Southern Chile & Argentina | |
| COOPER KNOLL | Cone of MARKAGUNT PLATEAU | USA (Utah) | |
| COPACOYA, GEISERS DE | Synonym of TATIO, EL | Northern Chile, Bolivia & Argentina | |
| COPAHUE | Stratovolcano | Historical | Central Chile & Argentina |
| COPAHUE, BANOS | Thermal Feature of COPAHUE | Central Chile & Argentina | |
| COPAHUES, LOS | Synonym of COPAHUE | Central Chile & Argentina | |
| COPETE, EL | Dome of REVENTADOR | Ecuador | |
| COPIAPO | Stratovolcano | Uncertain | Northern Chile, Bolivia & Argentina |
| COPITIRO, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| COPORITO, CERRO EL | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| COQUILLE, PUY DE LA | Cone of CHAINE DES PUYS | Western Europe | |
| CORA | Maar of ERCIYES DAGI | Turkey | |
| CORAGULAC, LAKE | Tuff ring of NEWER VOLCANICS PROV | Australia | |
| CORAZONCILLO, CALDERA DEL | Crater of LANZAROTE | Canary Islands | |
| CORBETTI CALDERA | Caldera | Holocene | Africa (northeastern) & Red Sea |
| CORCOBADO | Synonym of CORCOVADO | Southern Chile & Argentina | |
| CORCOVADO | Stratovolcano | Historical | Southern Chile & Argentina |
| CORDEMOY, CRATERE DE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CORDILLERA BLANCA | Synonym of CALLAQUI | Central Chile & Argentina | |
| CORDILLERA DEL PEDREGAL [CORDON CAULLE] | Fissure vent of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CORDILLERA DORSAL | Fissure vent of TENERIFE | Canary Islands | |
| CORDILLERA NEVADA | Caldera of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CORDILLERA PELADA [CORDON CAULLE] | Fissure vent of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CORDON CAULLE | Fissure vent of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CORDON CENIZOS | Cone of PUNTIAGUDO-CORDON CENIZOS | Central Chile & Argentina | |
| CORDON DE ALVAREZ | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| CORDON DE PUNTAS NEGRAS | Stratovolcanoes | Holocene | Northern Chile, Bolivia & Argentina |
| CORDON DEL AZUFRE | Complex volcano | Holocene | Northern Chile, Bolivia & Argentina |
| CORDON EL CAUYE | Synonym of PUNTIAGUDO-CORDON CENIZOS | Central Chile & Argentina | |
| CORERO DE LA CHARCA, CERRO | Dome of YEGUADA, LA | Panamá | |
| CORINTH HEAD | Cone of HEARD | Indian Ocean (southern) | |
| CORNO DE BELLARIA | Dome of AMIATA | Italy | |
| CORONA, LA [LA CALDERETA] | Crater of TENERIFE | Canary Islands | |
| CORONA, MONTE | Cone of LANZAROTE | Canary Islands | |
| CORONADO | Stratovolcano | Fumarolic | México |
| COROPUNA | Stratovolcano | Holocene | Perú |
| COROZAL VIEJO, EL | Cone of MADERAS | Nicaragua | |
| CORRAL KNOLL [BLACK KNOLL] | Cinder cone of BALD KNOLL | USA (Utah) | |
| CORRAL QUEMADO [RININAHUE] | Maar of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CORRALES, MONTANA | Cone of TENERIFE | Canary Islands | |
| CORRAO [GIULIA-FERDINANDEO] | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| CORTADERAL, CERRO EL | Fissure vent of CHACHANI, NEVADO | Perú | |
| CORTADERAS, LAS [PAMPA DE PALACIO] | Shield volcano of CHACHANI, NEVADO | Perú | |
| CORVO | Stratovolcano | Holocene | Azores |
| COS | Synonym of KOS | Greece | |
| COSEGUINA | Synonym of COSIGUINA | Nicaragua | |
| COSIGUINA | Stratovolcano | Historical | Nicaragua |
| COSO HOT SPRINGS | Thermal Feature of COSO VOLCANIC FIELD | USA (California) | |
| COSO RANGE | Synonym of COSO VOLCANIC FIELD | USA (California) | |
| COSO VOLCANIC FIELD | Lava domes | Holocene? | USA (California) |
| COSTA D'AGOSTO | Stratovolcano of LIPARI | Italy | |
| COSTA DE LENZUOLA | Crater of ISCHIA | Italy | |
| COSTA RICA, VOLCAN | Synonym of ARENAL | Costa Rica | |
| COSTA SPARAINA | Dome of ISCHIA | Italy | |
| COSTA, PUIG DE LA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| COSTE SAN DOMENICO | Crater of CAMPI FLEGREI | Italy | |
| COSTO MAAR | Maar of MICHOACAN-GUANAJUATO | México | |
| COTJI, CERRO [COSTO MAAR] | Maar of MICHOACAN-GUANAJUATO | México | |
| COTOPAXI | Stratovolcano | Historical | Ecuador |
| COTTERIL, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| COTTO BARANO, MT. | Cone of ISCHIA | Italy | |
| COTTO, MONTE | Cone of ISCHIA | Italy | |
| COTTON VOLCANO | Stratovolcano of HEALY | New Zealand | |
| COTTONWOOD PEAK | Cone of TUYA VOLCANIC FIELD | Canada | |
| COUGAR BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| COVA DA BURRA [PICO DA AREIA] | Dome of FURNAS | Azores | |
| COVA, PICO DO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| COW HILL SOUFRIERE [TAR RIVER SOUFRIERE] | Thermal Feature of SOUFRIERE HILLS | West Indies | |
| COW LAKES LAVA FIELD | Synonym of JORDAN CRATERS | USA (Oregon) | |
| COWLEY ISLAND | Fissure vent of ALCEDO | Galápagos Islands | |
| COYOLTEPEC | Cinder cone of CHICHINAUTZIN | México | |
| COYOTE BUTTE | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| COYOTEPE, CERRO EL | Cinder cone of MASAYA | Nicaragua | |
| COYOTES, CERRO LOS | Cone of SAN DIEGO | El Salvador & Honduras | |
| CRABIER, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| CRAC, PITON DE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CRACATOA | Synonym of KRAKATAU | Krakatau | |
| CRACKER CREEK CONE | Cone of ATLIN VOLCANIC FIELD | Canada | |
| CRATER | See proper name (e.g. CITERNE, CRATER) | ||
| CRATER BASALT VOLCANIC FIELD | Cinder cones | Holocene | Southern Chile & Argentina |
| CRATER BUTTES | Cone of NEWBERRY | USA (Oregon) | |
| CRATER DOME | Dome of OKATAINA | New Zealand | |
| CRATER FOREST | Cinder cone of JINGBO | China (eastern) | |
| CRATER HILL | Tuff cone of AUCKLAND FIELD | New Zealand | |
| CRATER HILL | Cinder cone of ST. PAUL ISLAND | Alaska (western) | |
| CRATER LAKE | Crater of RUAPEHU | New Zealand | |
| CRATER LAKE | Caldera | Radiocarbon | USA (Oregon) |
| CRATER LAKE | Crater of DECEPTION ISLAND | Antarctica & South Sandwich Islands | |
| CRATER MOUNTAIN | Stratovolcano | Holocene? | New Guinea & D'Entrecasteaux Islands |
| CRATER MOUNTAIN | Cone of ST. MICHAEL | Alaska (western) | |
| CRATER MOUNTAIN | Dome of MONO CRATERS | USA (California) | |
| CRATER PEAK | Stratovolcano of SPURR | Alaska (southwestern) | |
| CRATER PEAK | Cone of CRATER LAKE | USA (Oregon) | |
| CRATER RIDGE | Dome of EDGECUMBE | Alaska (eastern) | |
| CRATER ROCK | Dome of HOOD | USA (Oregon) | |
| CRATER SE SPRINGS | Thermal Feature of PINATUBO | Luzon | |
| CRATER TOP | Dome of SHIVELUCH | Kamchatka Peninsula | |
| CRATERE | See proper name (e.g. BEAUNIT, CRATERE DE) | French for CRATER | |
| CRATERED DOME | Dome of MONO CRATERS | USA (California) | |
| CRATERES, MONTE DE | Cone of POSSESSION, ILE DE LA | Indian Ocean (southern) | |
| CRATERS OF THE MOON | Thermal Feature of MAROA | New Zealand | |
| CRATERS OF THE MOON | Cinder cones | Radiocarbon | USA (Idaho) |
| CRAVEN, MT. | Dome of ST. CATHERINE | West Indies | |
| CRAWFORD BAY | Tuff cone of MARION ISLAND | Indian Ocean (southern) | |
| CRESCENT | Crater of BLACK ROCK DESERT | USA (Utah) | |
| CRESCENT BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| CRESCENT BUTTE | Cinder cone of CRATERS OF THE MOON | USA (Idaho) | |
| CRESCENT CRATER | Crater of LASSEN VOLCANIC CENTER | USA (California) | |
| CRESCENT, THE | Tuff ring of NAMARUNU | Africa (eastern) | |
| CRESPO, CERRO [CERRO QUEMADO] | Dome of ALMOLONGA | Guatemala | |
| CRISTAL | Dome of GUAGUA PICHINCHA | Ecuador | |
| CRISTO REY | Cinder cone of NEGRO, CERRO | Nicaragua | |
| CROCKER, MT. | Cone of SANTA CRUZ | Galápagos Islands | |
| CROCODILE ISLAND | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| CROCODILE LAKE | Crater of CENTRAL ISLAND | Africa (eastern) | |
| CROCODRILOS, LAGUNA | Maar of SAN MARTIN | México | |
| CROSCAT, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CROSS HILL | Crater of DECEPTION ISLAND | Antarctica & South Sandwich Islands | |
| CROW LAGOON | Pyroclastic cone | Holocene | Canada |
| CRUCES, CERRO LAS | Cinder cone of SANTA ANA | El Salvador & Honduras | |
| CRUZ DE TEA, MONTANA LA | Cone of TENERIFE | Canary Islands | |
| CRUZ, CERRO LA | Cinder cone of ZITACUARO-VALLE DE BRAVO | México | |
| CRUZ, CERRO LA | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| CRUZ, MONTANA DE LA | Dome of TENERIFE | Canary Islands | |
| CRUZ, MONTANA LA | Cinder cone of TENERIFE | Canary Islands | |
| CRUZ, MONTE DE LA | Cinder cone of BARVA | Costa Rica | |
| CRUZ, PICO DA | Cone of SETE CIDADES | Azores | |
| CRUZ, PICO DO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| CRYDER BUTTE | Shield volcano of DAVIS LAKE | USA (Oregon) | |
| CU-LAO BO BAI | Cone of CU-LAO RE GROUP | Southeast Asia | |
| CU-LAO RE GROUP | Volcanic field | Holocene | Southeast Asia |
| CUADRADO, MOUNT | Dome of PINATUBO | Luzon | |
| CUALTA, LA | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CUATEPETL, VOLCAN | Cinder cone of CHICHINAUTZIN | México | |
| CUATES, CERRO LOS | Crater of PINACATE | México | |
| CUATES, CERROS | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CUAUATL | Cinder cone of CHICHINAUTZIN | México | |
| CUAUHTEMOC | Cinder cone of COLIMA | México | |
| CUAUTZIN | Shield volcano of CHICHINAUTZIN | México | |
| CUBILCHE, LOMA | Dome of IMBABURA | Ecuador | |
| CUCHUCAVI | Synonym of MINCHINMAVIDA | Southern Chile & Argentina | |
| CUCUNDICATA, CERRO | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CUDDIA / CUDDIE | See proper name (e.g. ROSSE, CUDDIA DEL) | Italian for HILL | |
| CUDDIOLI | See proper name (e.g. DIETRO ISOLA, CUDDIOLI DI) | Italian for HILL | |
| CUERIZI [GUARARI] | Cinder cone of BARVA | Costa Rica | |
| CUERNOS DE NEGROS | Complex volcano | Fumarolic | Central Philippines |
| CUERNOS DEL DIABLO | Stratovolcano | Holocene | Southern Chile & Argentina |
| CUERVO, THE [CALDERA DE LOS LAPAS] | Cinder cone of LANZAROTE | Canary Islands | |
| CUERVOS, CALDERA DE LOS [CALDERA LAPAS] | Cinder cone of LANZAROTE | Canary Islands | |
| CUERVOS, LOS | Cinder cone of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| CUERVOS, MONTANA DE LOS [CALDERA LAPAS] | Cinder cone of LANZAROTE | Canary Islands | |
| CUESTA DEL GUAYABO | Cinder cone of SUCHITAN | Guatemala | |
| CUESTA, CERRO LA | Dome of PRIMAVERA, SIERRA LA | México | |
| CUEVAS NEGRAS, MONTANA | Fissure vent of TENERIFE | Canary Islands | |
| CUEVAS, MONTANA DE LAS | Cinder cone of HIERRO | Canary Islands | |
| CUEVAS, VOLCAN LAS | Maar of CALATRAVA VOLCANIC FIELD | Western Europe | |
| CUEVOS DEL RATON, VOLCAN | Fissure vent of TENERIFE | Canary Islands | |
| CUGNO DI MANDRA | Stratovolcano of LIPARI | Italy | |
| CUICOCHA | Caldera | Radiocarbon | Ecuador |
| CUIDAD ARCE, CERRITO | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| CUIDAD GUZMAN, VOLCAN DE [NEVADO DE COLIMA] | Stratovolcano of COLIMA | México | |
| CUILAPA SUR, CERRO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| CUILAPA, VOLCAN | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| CUILAPA-BARBARENA | Volcanic field | Holocene | Guatemala |
| CUIPILAPA | Synonym of MIRAVALLES | Costa Rica | |
| CULEBRA, LOMA LA | Cinder cone of SAN DIEGO | El Salvador & Honduras | |
| CULEBRAS BANK ? | Synonym of FALCON ISLAND | Tonga Islands | |
| CULEBREADO, CERRO EL | Dome of PRIMAVERA, SIERRA LA | México | |
| CULIACAN | Maar of MICHOACAN-GUANAJUATO | México | |
| CULIACAN, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CULMA, VOLCAN | Cinder cone of SANTIAGO, CERRO | Guatemala | |
| CUMA | Dome of CAMPI FLEGREI | Italy | |
| CUMBAL | Stratovolcano | Historical | Colombia |
| CUMBAL, NEVADO DE | Synonym of CUMBAL | Colombia | |
| CUMBRE DE LA LINEA | Cone of FALSO AZUFRE | Northern Chile, Bolivia & Argentina | |
| CUMBRE DEL LAUDO | Stratovolcano of NEVADA, SIERRA | Northern Chile, Bolivia & Argentina | |
| CUMBRE GRANDE, EL | Dome of CUMBRES, LAS | México | |
| CUMBRE VIEJA | Stratovolcano of LA PALMA | Canary Islands | |
| CUMBRE, CERRO LA | Cinder cone of APANECA RANGE | El Salvador & Honduras | |
| CUMBRE, LA | Synonym of FERNANDINA | Galápagos Islands | |
| CUMBRES, LAS | Stratovolcano | Radiocarbon | México |
| CUNISTEPEQUE, CERRO | Cinder cone of CHINGO | Guatemala | |
| CUNRU | Dome of IMBABURA | Ecuador | |
| CUPAHUE | Synonym of COPAHUE | Central Chile & Argentina | |
| CUPU, GUNUNG | Cone of LAMONGAN | Java | |
| CURA, BANOS DEL | Thermal Feature of ALMOLONGA | Guatemala | |
| CURACOA | Submarine volcano | Historical | Tonga Islands |
| CURIQUINCA, CERRO | Stratovolcano of SAIRECABUR | Northern Chile, Bolivia & Argentina | |
| CURITZERAN, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CURRY, MOUNT | Submarine vent of ZAVODOVSKI | Antarctica & South Sandwich Islands | |
| CURTIS ISLAND | Submarine volcano | Uncertain | Kermadec Islands |
| CURUB | Synonym of KURUB | Africa (northeastern) & Red Sea | |
| CURUNGUEO | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| CUSCACHAPA, LAGUNA DE | Pit crater of SANTA ANA | El Salvador & Honduras | |
| CUSCUNGO | Dome of ATACAZO | Ecuador | |
| CUSHNIRUMI | Stratovolcano of MOJANDA | Ecuador | |
| CUTZATO, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CUVIGGHIUNI | Cinder cone of ETNA | Italy | |
| CUYANAUSUL | Synonym of APANECA RANGE | El Salvador & Honduras | |
| CUYANAUSUL, AUSOLES DE | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| CUYOTEPE | Cone of APANECA RANGE | El Salvador & Honduras | |
| CUYUCUT | Thermal Feature of PINATUBO | Luzon | |
| CUYUFA | Synonym of SUMACO | Ecuador | |
| CWEAJAIN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| D.D. CONE | Lava cone of AXIAL SEAMOUNT | Pacific Ocean (northern) | |
| DA ORE | Tuff ring of MANDA HARARO | Africa (northeastern) & Red Sea | |
| DAAM | Synonym of WURLALI | Banda Sea | |
| DABAYRA | Synonym of DABBAYRA | Africa (northeastern) & Red Sea | |
| DABBAHU | Stratovolcano | Historical | Africa (northeastern) & Red Sea |
| DABBAIRA [BOINA] | Cone of DABBAHU | Africa (northeastern) & Red Sea | |
| DABBAYRA | Shield volcano | Holocene | Africa (northeastern) & Red Sea |
| DABITA | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| DABITA ALE | Synonym of HERTALI | Africa (northeastern) & Red Sea | |
| DACHT-I-NAVAR GROUP | Lava domes | Holocene? | Iran & Afghanistan |
| DACHT-I-NAWAR | Synonym of DACHT-I-NAVAR GROUP | Iran & Afghanistan | |
| DA'ENKEI | Crater of KOMAGA-TAKE | Hokkaido | |
| DAFNI | Dome of SANTORINI | Greece | |
| DAFTAN | Synonym of TAFTAN | Iran & Afghanistan | |
| DAGAN, JABAL | Crater of ARHAB, HARRA OF | Arabia | |
| DAGANPAO | Cinder cone of JINGBO | China (eastern) | |
| DAGATAN, LAKE | Maar of BANAHAW | Luzon | |
| DAGELET | Synonym of ULREUNG | Korea | |
| DAGNYHAUGEN | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| DAGONGJIE | Cone of TENGCHONG | Southeast Asia | |
| DAGSA | Thermal Feature of PINATUBO | Luzon | |
| DAGUSHANZI [DAYISHAN] | Cone of LONGGANG GROUP | China (eastern) | |
| DAHEI SHAN | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| DAHEI SHAN | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| DAI-IO-SAN [TATARINOV] | Stratovolcano of CHIKURACHKI | Kuril Islands | |
| DAICHIGAMORI | Dome of KURIKOMA | Honshu | |
| DAIHANNYA-YAMA | Fissure vent of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| DAIKOKU | Submarine volcano | Fumarolic | Izu, Volcano, & Mariana Islands |
| DAINICHI-DAKE | Synonym of KURIKOMA | Honshu | |
| DAINO-YAMA | Dome of IZU-TOBU | Honshu | |
| DAISETSU | Stratovolcanoes | Tephrochronology | Hokkaido |
| DAISETU-ZAN | Synonym of DAISETSU | Hokkaido | |
| DAITIMORI [DAICHIGAMORI] | Dome of KURIKOMA | Honshu | |
| DAITON GEOTHERMAL AREA | Thermal Feature of TATUN GROUP | Taiwan | |
| DAJIANHOUSHAN | Stratovolcano of TATUN GROUP | Taiwan | |
| DAKARA, GOF | Maar of MARSABIT | Africa (eastern) | |
| DAKATAUA | Caldera | Anthropology | New Britain |
| DAKELABAI (DAKELABALAI) | Synonym of CAMIGUIN DE BABUYANES | North of Luzon | |
| DAKONGSHAN | Cone of TENGCHONG | Southeast Asia | |
| DAKULA, MT. | Cinder cone of JOLO | Sulu Islands | |
| DAKUT | Cone of JOLO | Sulu Islands | |
| DALA FILLA | Synonym of DALAFFILLA | Africa (northeastern) & Red Sea | |
| DALAFFILLA | Stratovolcano | Historical | Africa (northeastern) & Red Sea |
| DALAHRAUN | Crater Row of REYKJANES | Iceland (southwestern) | |
| DALAHUM | Cone of AMBRYM | Vanuatu | |
| DALELDAR | Crater Row of KRAFLA | Iceland (northeastern) | |
| DALFJALL | Fissure vent of KRAFLA | Iceland (northeastern) | |
| DALIUCHONG | Cone of TENGCHONG | Southeast Asia | |
| DALJNY PLOSKY | Shield volcano of USHKOVSKY | Kamchatka Peninsula | |
| DALLOL | Explosion craters | Historical | Africa (northeastern) & Red Sea |
| DALMAN | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| DAL'NEE, LAKE [LAKE DALNY] | Maar of UZON | Kamchatka Peninsula | |
| DAL'NII PLOSKY [DALJNY PLOSKY] | Shield volcano of USHKOVSKY | Kamchatka Peninsula | |
| DALNY | Cone of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| DALNY | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| DALNY, LAKE | Maar of UZON | Kamchatka Peninsula | |
| DALNYAYA PLOSKY [DALJNY PLOSKY] | Shield volcano of USHKOVSKY | Kamchatka Peninsula | |
| DAL'NYEYE, LAKE [LAKE DALNY] | Maar of UZON | Kamchatka Peninsula | |
| DALONGWAN | Maar of LONGGANG GROUP | China (eastern) | |
| DALTON DOME | Dome of GARIBALDI | Canada | |
| DALY-TAPA | Synonym of DAR-ALAGES | Caucasus, Georgia & Armenia | |
| DAMA ALE | Synonym of DAMA ALI | Africa (northeastern) & Red Sea | |
| DAMA ALI | Shield volcano | Historical | Africa (northeastern) & Red Sea |
| DAMA HALI (DAMAHALE) | Synonym of DAMA ALI | Africa (northeastern) & Red Sea | |
| DAMAR | Synonym of WURLALI | Banda Sea | |
| DAMAVAND | Stratovolcano | Uranium-series | Iran & Afghanistan |
| DAMMER | Synonym of WURLALI | Banda Sea | |
| DAMPIER ISLAND | Synonym of KARKAR | Northeast of New Guinea | |
| DANA | Stratovolcano | Radiocarbon | Alaska Peninsula |
| DANAN | Thermal Feature of MAHAGNAO | Central Philippines | |
| DANAO, LAKE | Crater of MAHAGNAO | Central Philippines | |
| DANAU | See proper name (e.g. TALANG, DANAU) | Indonesian for LAKE | |
| DANAU | Pleistocene caldera of KARANG | Java | |
| DANBARU | Crater of KUJU | Ryukyu Islands & Kyushu | |
| DANGER BAY | Stratovolcano of CRATER LAKE | USA (Oregon) | |
| DANGEY | Thermal Feature of PINATUBO | Luzon | |
| D'ANGO, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| DANGSANBONG | Tuff cone of HALLA | Korea | |
| DANKOLE | Cone of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| DANSAN | Tuff cone of HALLA | Korea | |
| DAR-ALAGES | Pyroclastic cones | Anthropology | Caucasus, Georgia & Armenia |
| DARAJAT | Thermal Feature of KENDANG | Java | |
| DARALAGES KETTE | Synonym of DAR-ALAGES | Caucasus, Georgia & Armenia | |
| DARALAGEZSKIY KHREBET | Synonym of DAR-ALAGES | Caucasus, Georgia & Armenia | |
| DARGO | Crater of KELUT | Java | |
| DARIGANGA VOLCANIC FIELD | Cinder cones | Holocene | Mongolia |
| DARNLEY, MOUNT | Cone of BRISTOL ISLAND | Antarctica & South Sandwich Islands | |
| DAROEGAN, RANOE [RANU DARUNGAN] | Maar of SEMERU | Java | |
| DARUNGAN, RANU | Maar of SEMERU | Java | |
| DARWIN | Shield volcano | Surface Exposure | Galápagos Islands |
| DARWIN BAY | Caldera of GENOVESA | Galápagos Islands | |
| DATIL, CERRO EL | Cinder cone of COMONDU-LA PURISIMA | México | |
| DATUN VOLCANO GROUP | Synonym of TATUN GROUP | Taiwan | |
| DATUNSHAN | Stratovolcano of TATUN GROUP | Taiwan | |
| DAUN, BUKIT | Stratovolcanoes | Fumarolic | Sumatra |
| DAUNER | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| DAUPHINE ESTATE, LA | Crater of QUALIBOU | West Indies | |
| DA'URE | Fissure vent of DABBAHU | Africa (northeastern) & Red Sea | |
| DAVAO VOLCANO | Synonym of APO | Mindanao | |
| DAVAPIA ROCKS | Cone of RABAUL | New Britain | |
| DAVEY PEAK | Cone of TONEY MOUNTAIN | Antarctica & South Sandwich Islands | |
| DAVIDOF | Stratovolcano | Holocene? | Aleutian Islands |
| DAVIS LAKE | Volcanic field | Radiocarbon | USA (Oregon) |
| DAVIS MOUNTAIN | Shield volcano of DAVIS LAKE | USA (Oregon) | |
| DAWON, BOEKIT | Synonym of DAUN, BUKIT | Sumatra | |
| DAWSON STRAIT GROUP | Volcanic field | Hydration Rind | New Guinea & D'Entrecasteaux Islands |
| DAYANZHIFENG | Cone of CHANGBAISHAN | China (eastern) | |
| DAYINGSHAN | Stratovolcano of TENGCHONG | Southeast Asia | |
| DAYISHAN | Cone of LONGGANG GROUP | China (eastern) | |
| DEACON PEAK | Cone of PENGUIN ISLAND | Antarctica & South Sandwich Islands | |
| DEAD MAN'S HILL | Dome of ST. CATHERINE | West Indies | |
| DEADEA [DEIDEI] | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| DEADMAN CREEK | Dome of INYO CRATERS | USA (California) | |
| DEBADO GERA HAYK | Maar of LIADO HAYK | Africa (northeastern) & Red Sea | |
| DEBAWALA | Thermal Feature of IAMALELE | New Guinea & D'Entrecasteaux Islands | |
| DEBAWALA | Thermal Feature of IAMALELE | New Guinea & D'Entrecasteaux Islands | |
| DEBRE ZEIT | Synonym of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| DEBUNSCHA | Cone of CAMEROON | Africa (western) | |
| DECEPTION ISLAND | Caldera | Historical | Antarctica & South Sandwich Islands |
| DEDICA (DEDICAS) | Synonym of DIDICAS | North of Luzon | |
| DEEP CRATER | Crater of MEDICINE LAKE | USA (California) | |
| DEEP CRATER | Crater of SANTA CRUZ | Galápagos Islands | |
| DEER HILL | Dome of REPOROA | New Zealand | |
| DEER MOUNTAIN | Dome of LONG VALLEY | USA (California) | |
| DEER MOUNTAIN [CERRO HUECO] | Shield volcano of ZUNI-BANDERA | USA (New Mexico) | |
| DEFORMES | Thermal Feature of GALERAS | Colombia | |
| DEIDEI | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| DELAIRE, VOLCAN | Cone of CHICHINAUTZIN | México | |
| DELAKI, GUNUNG | Synonym of SIRUNG | Lesser Sunda Islands | |
| DELICIAS, CERRO LAS | Dome of ILOPANGO | El Salvador & Honduras | |
| DELICIAS, CERRO LAS | Dome of APASTEPEQUE FIELD | El Salvador & Honduras | |
| DELIRIO, EL | Cone of MADERAS | Nicaragua | |
| DEMA ALI | Synonym of DAMA ALI | Africa (northeastern) & Red Sea | |
| DEMAVEND (DEMAWEND) | Synonym of DAMAVAND | Iran & Afghanistan | |
| DEMOCRATICO | Stratovolcano of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| DEMON | Stratovolcano | Holocene | Kuril Islands |
| DEMPO | Stratovolcanoes | Historical | Sumatra |
| DENHAM BAY | Caldera of RAOUL ISLAND | Kermadec Islands | |
| DENISON | Stratovolcano | Holocene? | Alaska Peninsula |
| DENT BICORNE | Cone of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| DENT BLANCHES | Cone of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| DEPRESION DE SAN LORENZO | Maar of CHINGO | Guatemala | |
| DERBI-TAIGA [DERBI-TAYGA] | Shield volcano of AZAS PLATEAU | Russia (southeastern) | |
| DERBI-TAYGA | Shield volcano of AZAS PLATEAU | Russia (southeastern) | |
| DERIBA | Caldera of MARRA, JEBEL | Africa (northern) | |
| DERRUMBADAS, LAS | Dome of SERDAN-ORIENTAL | México | |
| DES VOEUX PEAK | Cone of TAVEUNI | Fiji Islands | |
| DESCABEZADO CHICO | Cone of CALABOZOS | Central Chile & Argentina | |
| DESCABEZADO DEL MAULE | Synonym of DESCABEZADO GRANDE | Central Chile & Argentina | |
| DESCABEZADO GRANDE | Stratovolcanoes | Historical | Central Chile & Argentina |
| DESCONOCIDO-TECOMALES | Synonym of GLORIA, LA | México | |
| DESEJADO, PICO | Dome of TRINDADE | Atlantic Ocean (central) | |
| DESERET | Vent of BLACK ROCK DESERT | USA (Utah) | |
| DESERT CONE | Cone of CRATER LAKE | USA (Oregon) | |
| DESLACS ISLAND | Synonym of GAROVE | New Britain | |
| DESMONTE, VOLCAN | Dome of MASCOTA VOLCANIC FIELD | México | |
| DESOLATION LAVA FIELD | Vent of EDZIZA | Canada | |
| DESOLATION, VALLEY OF | Thermal Feature of WATT, MORNE | West Indies | |
| DESTINEE, MORNE | Dome of DIABLES, MORNE AUX | West Indies | |
| DEUXIEME FORMICA LEO | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| DEVASTATION | Vent of MEAGER | Canada | |
| DEVASTATION VOLCANO [POGROMNI] | Stratovolcano of WESTDAHL | Aleutian Islands | |
| DEVASTATOR, THE | Cone of MEAGER | Canada | |
| DEVIL ROCK [NGWALA ROCK] | Tuff cone of AOBA | Vanuatu | |
| DEVILS CAULDRON | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| DEVILS GARDEN | Volcanic field | Holocene? | USA (Oregon) |
| DEVILS HILL | Dome of SOUTH SISTER | USA (Oregon) | |
| DEVILS KITCHEN | Thermal Feature of LASSEN VOLCANIC CENTER | USA (California) | |
| DEVIL'S NEEDLE | Vent of LENGAI, OL DOINYO | Africa (eastern) | |
| DEVILS THROAT | Pit crater of KILAUEA | Hawaiian Islands | |
| DEWA-FUJI | Synonym of CHOKAI | Honshu | |
| DHAMAR, HARRAS OF | Volcanic field | Historical | Arabia |
| DHEMENEGHAKI | Pumice cone of MILOS | Greece | |
| DHIN, JABAL | Crater of ARHAB, HARRA OF | Arabia | |
| DHU RAKHAM, JABAL | Cone of DHAMAR, HARRAS OF | Arabia | |
| DI BARUH, DANAU | Crater of TALANG | Sumatra | |
| DIABLE, CERRO DEL | Cinder cone of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| DIABLES, MORNE AUX | Stratovolcano | Holocene | West Indies |
| DIABLOTINS, MORNE | Stratovolcano | Holocene? | West Indies |
| DIAMANTE | Pleistocene caldera of MAIPO | Central Chile & Argentina | |
| DIAMOND CRATERS | Volcanic field | Holocene? | USA (Oregon) |
| DIAMOND ROCK | Dome of KICK 'EM JENNY | West Indies | |
| DIAU [MT. OIAU] | Stratovolcano of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| DIBA' AL HURUS, JIBAL | Dome of RAHAT, HARRAT | Arabia | |
| DIDICA (DIDICAS) | Synonym of DIDICAS | North of Luzon | |
| DIDICAS | Compound volcano | Historical | North of Luzon |
| DIDIKAS ROCKS | Synonym of DIDICAS | North of Luzon | |
| DIDIMTU | Cone of MEGA BASALT FIELD | Africa (northeastern) & Red Sea | |
| DIEGO DE LA HAYA | Crater of IRAZU | Costa Rica | |