M4.1 earthquake - 91 km S of Atka, Alaska
3001 d ago · 31 Jul 2018, 05:55 UTC 91 km S of Atka, Alaska
What happened
A magnitude 4.1 earthquake struck 91 km S of Atka, Alaska on 31 Jul 2018, 05:55 UTC at a depth of 40 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, 09:05 UTC
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