EarthquakeModerate

M4.7 earthquake - 251 km W of Adak, Alaska

Name: M4.7 earthquake - 251 km W of Adak, Alaska
Start: 2020-04-17T05:06:32.768+00:00
Location: 251 km W of Adak, Alaska

2374 d ago · 17 Apr 2020, 05:06 UTC 251 km W of Adak, Alaska

What happened

A magnitude 4.7 earthquake struck 251 km W of Adak, Alaska on 17 Apr 2020, 05:06 UTC at a depth of 145 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, 09:47 UTC

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