EarthquakeExtreme

M7.4 earthquake - 133 km WNW of Nikolski, Alaska

Name: M7.4 earthquake - 133 km WNW of Nikolski, Alaska
Start: 1916-04-18T04:01:49.51+00:00
Location: 133 km WNW of Nikolski, Alaska

40358 d ago · 18 Apr 1916, 04:01 UTC 133 km WNW of Nikolski, Alaska

What happened

A magnitude 7.4 earthquake struck 133 km WNW of Nikolski, Alaska on 18 Apr 1916, 04:01 UTC at a depth of 140 km.

Earthquakes of this size are classed as Major. Can cause serious damage over large areas. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

Timeline

First reported by USGS
16 Oct 2026, 20:46 UTC

Community

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