EarthquakeModerate

M4.0 earthquake - 80 km SSE of Adak, Alaska

Name: M4.0 earthquake - 80 km SSE of Adak, Alaska
Start: 2017-04-04T14:13:16.5+00:00
Location: 80 km SSE of Adak, Alaska

3483 d ago · 4 Apr 2017, 14:13 UTC 80 km SSE of Adak, Alaska

What happened

A magnitude 4 earthquake struck 80 km SSE of Adak, Alaska on 4 Apr 2017, 14:13 UTC at a depth of 20 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, 08:33 UTC

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