M4.1 earthquake - 77 km S of Adak, Alaska
1911 d ago · 24 Jul 2021, 18:11 UTC 77 km S of Adak, Alaska
What happened
A magnitude 4.1 earthquake struck 77 km S of Adak, Alaska on 24 Jul 2021, 18:11 UTC at a depth of 30 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, 10:19 UTC
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