EarthquakeModerate

M4.7 earthquake - 133 km SW of Adak, Alaska

Name: M4.7 earthquake - 133 km SW of Adak, Alaska
Start: 2020-02-17T03:33:14.845+00:00
Location: 133 km SW of Adak, Alaska

2435 d ago · 17 Feb 2020, 03:33 UTC 133 km SW of Adak, Alaska

What happened

A magnitude 4.7 earthquake struck 133 km SW of Adak, Alaska on 17 Feb 2020, 03:33 UTC at a depth of 35 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

First reported by USGS
17 Oct 2026, 09:43 UTC

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