Volcano List
About Alaska's Volcanoes Hazards from Alaska's Volcanoes
Map & Alphabetical List Interactive Map
Eruption Search Volcano Search
|
Text Description: 10 cm thick. 2 to 3.5 m below woody, organic-rich silt and peat that host abundant large stumps and logs. It occurs as pods and lenses offset by centimetre-scale faults within massive, grey silt. Located 25 to 30 m above Yukon River. References:  Old Crow tephra across eastern Beringia: a single cataclysmic eruption at the close of Marine Isotope Stage 6 |
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.
Operations
Response
Staff
Fields of Study
Geology
Color Code Definitions
Webcams
Webicorders
RSAM
Great Sitkin
Trident
Glossary
Recent Images
Browse Images
