EarthquakeMajor

M6.6 earthquake - 88 km SSE of Old Harbor, Alaska

Name: M6.6 earthquake - 88 km SSE of Old Harbor, Alaska
Start: 1917-12-21T17:54:32.85+00:00
Location: 88 km SSE of Old Harbor, Alaska

39746 d ago · 21 Dec 1917, 17:54 UTC 88 km SSE of Old Harbor, Alaska

What happened

A magnitude 6.6 earthquake struck 88 km SSE of Old Harbor, Alaska on 21 Dec 1917, 17:54 UTC at a depth of 15 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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