EarthquakeModerate

M4.5 earthquake - 106 km SSE of Chignik, Alaska

Name: M4.5 earthquake - 106 km SSE of Chignik, Alaska
Start: 2021-07-29T06:28:22.835+00:00
Location: 106 km SSE of Chignik, Alaska

1906 d ago · 29 Jul 2021, 06:28 UTC 106 km SSE of Chignik, Alaska

What happened

A magnitude 4.5 earthquake struck 106 km SSE of Chignik, Alaska on 29 Jul 2021, 06:28 UTC at a depth of 9 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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