EarthquakeModerate

M4.2 earthquake - 290 km ESE of Attu Station, Alaska

Name: M4.2 earthquake - 290 km ESE of Attu Station, Alaska
Start: 2021-07-11T00:13:14.523+00:00
Location: 290 km ESE of Attu Station, Alaska

1925 d ago · 11 Jul 2021, 00:13 UTC 290 km ESE of Attu Station, Alaska

What happened

A magnitude 4.2 earthquake struck 290 km ESE of Attu Station, Alaska on 11 Jul 2021, 00:13 UTC at a depth of 9 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, 10:19 UTC

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