M4.2 earthquake - 128 km SSE of Chignik, Alaska
1888 d ago · 16 Aug 2021, 16:24 UTC 128 km SSE of Chignik, Alaska
What happened
A magnitude 4.2 earthquake struck 128 km SSE of Chignik, Alaska on 16 Aug 2021, 16:24 UTC at a depth of 33 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, 10:21 UTC
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