EarthquakeModerate

M4.3 earthquake - Rat Islands, Aleutian Islands, Alaska

Name: M4.3 earthquake - Rat Islands, Aleutian Islands, Alaska
Start: 2021-12-15T10:24:47.986+00:00
Location: Rat Islands, Aleutian Islands, Alaska

1767 d ago · 15 Dec 2021, 10:24 UTC Rat Islands, Aleutian Islands, Alaska

What happened

A magnitude 4.3 earthquake struck Rat Islands, Aleutian Islands, Alaska on 15 Dec 2021, 10:24 UTC at a depth of 132 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

Timeline

First reported by USGS
17 Oct 2026, 10:29 UTC

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