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Great Sitkin volcano: alert level and eruptions · Klaxon

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Volcano

Great Sitkin

Country: United States
Type: Stratovolcano
Elevation: 1740 m
Last eruption: 2026

Volcano alert levels

Alaska Volcano ObservatoryORANGE / WATCH
Issued Oct 28, 2026, 07:00 PM UTC
USGS gives the aviation colour code and the ground alert level.
Notice

Earlier levels (4)

ORANGE / WATCHOct 27, 2026, 06:45 PM UTC
ORANGE / WATCHOct 26, 2026, 06:52 PM UTC
ORANGE / WATCHOct 25, 2026, 08:24 PM UTC
ORANGE / WATCHOct 24, 2026, 06:28 PM UTC

Volcano data: Global Volcanism Program, Smithsonian Institution

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