Linked volcano names (below) go to the report for this month within all of the Smithsonian reports for that volcano. Select "Complete Issue" to see all the reports for this month.
Daikoku (Volcano Islands)
Discovery of agitated pool of molten sulfur at 420 m ocean depth
Anatahan (Mariana Islands)
Eruptions restarted in 2005 and continued until at least June 2006
Northwest Rota-1 (Mariana Islands)
Views of submarine volcano ejecting lava and bombs
Bulusan (Luzon, Philippines)
Explosive activity continues
Merapi (Java, Indonesia)
Mid-2006 brings multiple pyroclastic flows that kill two, and travel up to 7 km
Langila (Papua New Guinea)
Moderate activity steady through March 2006
Lamington (Papua New Guinea)
Mild vapor emission and earthquakes through March 2006
Garbuna Group (Papua New Guinea)
Earthquakes continue while vents remain calm through April 2006
Rabaul (Papua New Guinea)
Gas emissions and earthquakes during March-April 2006
Bagana (Papua New Guinea)
Lava flows and ash emission throughout March 2006
Heard (Southern Indian Ocean)
2006 imagery indicates renewed volcanism
Aoba (Vanuatu)
During May-June 2006, Lake Voui's water rapidly turns from blue to red
Villarrica (Chile)
Unusual seismicity, minor pyroclastic, and gas explosions, January-April 2005
Ubinas (Péru)
Ash and steam emissions stir hazard and environmental concerns
Popocatépetl (México)
During first half of 2006, several ash plumes rose to ~ 7-8 km altitude
Soufrière Hills (Montserrat)
Big dome collapse and tall plume on 20 May 2006 leave a W-leaning crater
St. Helens (USA)
Intracrater lava dome continues to grow through at least May 2006
Editors: Rick Wunderman, Catherine Galley, Edward Venzke, Gari Mayberry, and Sally Kuhn
Volunteer Staff: Robert Andrews, Veronica Bemis, Zahra Hirji, Jerry Hudis, Jackie Gluck, and Stephen Bentley