EarthquakeModerate

M4.3 earthquake - 109 km ESE of Atka, Alaska

Name: M4.3 earthquake - 109 km ESE of Atka, Alaska
Start: 2017-12-04T23:37:25.17+00:00
Location: 109 km ESE of Atka, Alaska

3239 d ago · 4 Dec 2017, 23:37 UTC 109 km ESE of Atka, Alaska

What happened

A magnitude 4.3 earthquake struck 109 km ESE of Atka, Alaska on 4 Dec 2017, 23:37 UTC at a depth of 32 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, 08:49 UTC

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