Summary
Color Code Definitions Activity Notifications
Webcams 
Akutan AKSD Augustine - Homer Augustine - island Augustine - Lagoon Augustine - low light Cleveland CLCO Gareloi Great Sitkin Great Sitkin -GSIG Iliamna Iliamna IVE Kanaga Kanaga - KIMD Makushin Okmok OKIF Pavlof - BLHA Pavlof - DOL Peulik Redoubt - CI Redoubt - DFR Redoubt - Hut Shishaldin Shishaldin-WTUG SpurrCKT Tanaga Wrangell
Webicorders 
RSAM 
Makushin Great Sitkin Cleveland Semisopochnoi Veniaminof
Volcano List
About Alaska's Volcanoes Hazards from Alaska's Volcanoes Map & Alphabetical List Interactive Map
Eruption Search Volcano Search
|
Text Description: Dense 1931 juvenile bomb on caldera rim; equant chunk of glassy dacite References:  The 1931 eruption of Aniakchak volcano, Alaska |
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.
Operations
Response
Staff
Fields of Study
Glossary
Recent Images
Browse Images
