M5.0 earthquake - 286 km WSW of Adak, Alaska
1977 d ago · 18 May 2021, 05:39 UTC 286 km WSW of Adak, Alaska
What happened
A magnitude 5 earthquake struck 286 km WSW of Adak, Alaska on 18 May 2021, 05:39 UTC at a depth of 43 km.
Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a shallow earthquake, which tends to be felt more strongly at the surface.
Timeline
First reported by USGS
16 Oct 2026, 20:47 UTC
Community
Did you feel it?
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