M4.0 earthquake - 237 km WSW of Adak, Alaska
2456 d ago · 27 Jan 2020, 02:39 UTC 237 km WSW of Adak, Alaska
What happened
A magnitude 4 earthquake struck 237 km WSW of Adak, Alaska on 27 Jan 2020, 02:39 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, 09:41 UTC
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Nearby in the last 30 days
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