EarthquakeModerate

M4.0 earthquake - 270 km ESE of Attu Station, Alaska

Name: M4.0 earthquake - 270 km ESE of Attu Station, Alaska
Start: 2019-03-08T16:20:43.678+00:00
Location: 270 km ESE of Attu Station, Alaska

2780 d ago · 8 Mar 2019, 16:20 UTC 270 km ESE of Attu Station, Alaska

What happened

A magnitude 4 earthquake struck 270 km ESE of Attu Station, Alaska on 8 Mar 2019, 16:20 UTC at a depth of 10 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, 09:19 UTC

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