EarthquakeModeratePAGER: green

M4.8 earthquake - 150 km SSE of Chignik, Alaska

Name: M4.8 earthquake - 150 km SSE of Chignik, Alaska
Start: 2021-07-29T22:18:26.92+00:00
Location: 150 km SSE of Chignik, Alaska

1906 d ago · 29 Jul 2021, 22:18 UTC 150 km SSE of Chignik, Alaska

What happened

A magnitude 4.8 earthquake struck 150 km SSE of Chignik, Alaska on 29 Jul 2021, 22:18 UTC at a depth of 1 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

First reported by USGS
17 Oct 2026, 10:19 UTC

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