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 
Great Sitkin Cleveland Pavlof Semisopochnoi Shishaldin
Volcano List
About Alaska's Volcanoes Hazards from Alaska's Volcanoes Map & Alphabetical List Interactive Map
Eruption Search Volcano Search
|
Text Description: Wisps up to 0.5 cm thick and up to 10 cm long in trench 1. Glass morphology is predominantly comprised of chunky glass shards and pumice that is rich in phenocrysts and microlites. References:  Late Pleistocene and Holocene tephrostratigraphy of interior Alaska and Yukon: Key beds and chronologies over the past 30,000 years 150,000 years of loess accumulation in central 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
