Image: Reference photo · 1984 (archive) · Thomas P Miller / Alaska Volcano Observatory / USGS · not current conditions · Original image source

Agency update: 2026-09-05T18:33:57+00:00

USGS lists the volcano alert level as ADVISORY and the aviation color code as YELLOW. Agency synopsis: AVO Kupreanof YELLOW/ADVISORY – Low-level seismic activity continues but has declined from previous levels. An elevated alert level alone does not establish that a new eruption has begun.

This is a developing story; updates will be added as USGS issues them.

Source: USGS

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