EarthquakeModerate

M4.0 earthquake - 201 km WSW of Adak, Alaska

Name: M4.0 earthquake - 201 km WSW of Adak, Alaska
Start: 2023-09-10T02:23:01.566+00:00
Location: 201 km WSW of Adak, Alaska

1134 d ago · 10 Sept 2023, 02:23 UTC 201 km WSW of Adak, Alaska

What happened

A magnitude 4 earthquake struck 201 km WSW of Adak, Alaska on 10 Sept 2023, 02:23 UTC at a depth of 46 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, 11:09 UTC

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