EarthquakeMajor

M6.6 earthquake - Rat Islands, Aleutian Islands, Alaska

Name: M6.6 earthquake - Rat Islands, Aleutian Islands, Alaska
Start: 1977-09-04T17:24:42.8+00:00
Location: Rat Islands, Aleutian Islands, Alaska

17939 d ago · 4 Sept 1977, 17:24 UTC Rat Islands, Aleutian Islands, Alaska

What happened

A magnitude 6.6 earthquake struck Rat Islands, Aleutian Islands, Alaska on 4 Sept 1977, 17:24 UTC at a depth of 8 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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