EarthquakeModerate

M4.3 earthquake - 284 km ESE of Attu Station, Alaska

Name: M4.3 earthquake - 284 km ESE of Attu Station, Alaska
Start: 2021-07-10T20:42:53.131+00:00
Location: 284 km ESE of Attu Station, Alaska

1925 d ago · 10 Jul 2021, 20:42 UTC 284 km ESE of Attu Station, Alaska

What happened

A magnitude 4.3 earthquake struck 284 km ESE of Attu Station, Alaska on 10 Jul 2021, 20:42 UTC at a depth of 7 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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