M4.3 earthquake - 164 km SE of Chignik, Alaska
1907 d ago · 29 Jul 2021, 07:31 UTC 164 km SE of Chignik, Alaska
What happened
A magnitude 4.3 earthquake struck 164 km SE of Chignik, Alaska on 29 Jul 2021, 07:31 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, 10:19 UTC
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