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The symmetrical Visoke volcano is the NE-most of a cluster of large stratovolcanoes at the southern end of the Virunga Range on the border of the Democratic Republic of Congo and Rwanda. The 3700-m-high stratovolcano contains a 450-m-wide lake in its summit crater. A NE-SW-trending fissure zone has produced many cinder cones NE of the trachyandesitic volcano. An eruption in 1957 formed two small cones on the north flank, 11 km from the summit.
Summary of Holocene eruption dates and Volcanic Explosivity Indices (VEI).
|Start Date||Stop Date||Eruption Certainty||VEI||Evidence||Activity Area or Unit|
|1957 Aug 1||1957 Aug 3||Confirmed||1||Historical Observations||11 km north of summit (Mugogo)|
This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.
|Bisoke | Wissoke | Kirunga Visoke | Bisoko|
|Feature Name||Feature Type||Elevation||Latitude||Longitude|
|Bisati Ndubi||Cone||2680 m|
|Mugogo||Cone||2378 m||1° 22' 0" S||29° 29' 0" E|
|The symmetrical Visoke volcano is the NE-most of a cluster of large stratovolcanoes at the southern end of the Virunga Range. The 3711-m-high stratovolcano contains a 450-m-wide lake in its summit crater (left center). Lobate lava flows descend the flanks of the volcano. A NE-SW-trending fissure zone has produced many cinder cones NE of the volcano (top). An eruption in 1957 formed two small cones on the north flank, 11 km from the summit.
Aerial photograph courtesy of Henry Luc Hody (Belgian ambassador).
The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title.
IAVCEI, 1973-80. Post-Miocene Volcanoes of the World. IAVCEI Data Sheets, Rome: Internatl Assoc Volc Chemistry Earth's Interior..
Katsui Y (ed), 1971. List of the World Active Volcanoes. Volc Soc Japan draft ms, (limited circulation), 160 p.
Krafft M, 1990. Fuhrer zu den Virunga-Vulkanen. Stuttgart: Ferdinand Enke, 187 p.
Pouclet A, 1977. Contribution l'etude structurale de l'aire volcanique des Virunga, rift de l'Afrique centrale. Rev Geog Phys Geol Dynam, 19: 115-124.