EarthquakeMajor

M6.8 earthquake - 68 km SSW of Unalaska, Alaska

Name: M6.8 earthquake - 68 km SSW of Unalaska, Alaska
Start: 1957-03-29T05:10:33.6+00:00
Location: 68 km SSW of Unalaska, Alaska

25403 d ago · 29 Mar 1957, 05:10 UTC 68 km SSW of Unalaska, Alaska

What happened

A magnitude 6.8 earthquake struck 68 km SSW of Unalaska, Alaska on 29 Mar 1957, 05:10 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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