Volcano Activity Notifications

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About Color Codes & Alert Levels

In 2008, AVO switched to a new program to release reports. Reports prior to 2008 have been archived in a separate system. Due to the way these reports have been stored, archived reports cannot by searched by color code, alert level, and report type. If you would like to include archived reports in your search, check the box below.

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Latest HANS Notifications

Sent	Notice Type	Volcanoes	Notice ID/Link
June 13, 2025, 12:30 pm	Weekly Update	Great Sitkin,Spurr	DOI-USGS-AVO-2025-06-13T18:14:45+00:00
June 12, 2025, 10:33 am	Daily Update	Great Sitkin,Spurr	DOI-USGS-AVO-2025-06-12T18:22:19+00:00
June 11, 2025, 10:36 am	Daily Update	Great Sitkin,Spurr	DOI-USGS-AVO-2025-06-11T17:33:09+00:00
June 10, 2025, 10:09 am	Daily Update	Great Sitkin,Spurr	DOI-USGS-AVO-2025-06-10T18:01:54+00:00
June 9, 2025, 11:57 am	Daily Update	Great Sitkin,Spurr	DOI-USGS-AVO-2025-06-09T19:47:47+00:00
June 8, 2025, 9:58 am	Daily Update	Great Sitkin,Spurr	DOI-USGS-AVO-2025-06-08T17:51:31+00:00
June 7, 2025, 10:35 am	Daily Update	Great Sitkin,Spurr	DOI-USGS-AVO-2025-06-07T18:30:36+00:00

Alaska Volcano Observatory

Volcano Activity Notifications

Latest HANS Notifications