EarthquakeModerate

M4.0 earthquake - 107 km SW of Nikolski, Alaska

Name: M4.0 earthquake - 107 km SW of Nikolski, Alaska
Start: 2020-08-04T02:45:48.892+00:00
Location: 107 km SW of Nikolski, Alaska

2266 d ago · 4 Aug 2020, 02:45 UTC 107 km SW of Nikolski, Alaska

What happened

A magnitude 4 earthquake struck 107 km SW of Nikolski, Alaska on 4 Aug 2020, 02:45 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, 09:55 UTC

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