M4.2 earthquake - 84 km S of Atka, Alaska
3864 d ago · 20 Mar 2016, 01:24 UTC 84 km S of Atka, Alaska
What happened
A magnitude 4.2 earthquake struck 84 km S of Atka, Alaska on 20 Mar 2016, 01:24 UTC at a depth of 10 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, 08:07 UTC
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