Alaska Volcano Observatory
Great Sitkin reported activity
HISTORIC EVENT DATES (24 events)
PREHISTORIC EVENT DATES - years before present (10 events)
Page modified: June 20, 2023 15:38
Contact Information: AVO Web Team
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.