EarthquakeModerate

M4.0 earthquake - 146 km SSE of Atka, Alaska

Name: M4.0 earthquake - 146 km SSE of Atka, Alaska
Start: 2017-02-17T09:49:05.11+00:00
Location: 146 km SSE of Atka, Alaska

3529 d ago · 17 Feb 2017, 09:49 UTC 146 km SSE of Atka, Alaska

What happened

A magnitude 4 earthquake struck 146 km SSE of Atka, Alaska on 17 Feb 2017, 09:49 UTC at a depth of 46 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, 08:29 UTC

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