EarthquakeMajor

M6.4 earthquake - 76 km SSW of Adak, Alaska

Name: M6.4 earthquake - 76 km SSW of Adak, Alaska
Start: 1957-07-23T00:45:15.81+00:00
Location: 76 km SSW of Adak, Alaska

25288 d ago · 23 Jul 1957, 00:45 UTC 76 km SSW of Adak, Alaska

What happened

A magnitude 6.4 earthquake struck 76 km SSW of Adak, Alaska on 23 Jul 1957, 00:45 UTC at a depth of 25 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

First reported by USGS
16 Oct 2026, 20:46 UTC

Community

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