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M5.8 earthquake - 241 km ESE of Atka, Alaska

Name: M5.8 earthquake - 241 km ESE of Atka, Alaska
Start: 2020-08-16T20:05:50.279+00:00
Location: 241 km ESE of Atka, Alaska

2252 d ago · 16 Aug 2020, 20:05 UTC 241 km ESE of Atka, Alaska

A tsunami flag was raised for this event. This does not mean a tsunami occurred. Always follow official tsunami warning centres and local authorities.

What happened

A magnitude 5.8 earthquake struck 241 km ESE of Atka, Alaska on 16 Aug 2020, 20:05 UTC at a depth of 18 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

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