EarthquakeModerate

M4.3 earthquake near Anchorage, Alaska

Name: M4.3 earthquake near Anchorage, Alaska
Start: 2020-09-11T13:58:32.635+00:00
Location: 57 km SW of Skwentna, Alaska

2227 d ago · 11 Sept 2020, 13:58 UTC 57 km SW of Skwentna, Alaska

What happened

A magnitude 4.3 earthquake struck 57 km SW of Skwentna, Alaska on 11 Sept 2020, 13:58 UTC at a depth of 122 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

The nearest town in our records is Anchorage, about 130 km away in Alaska, United States.

Timeline

First reported by USGS
17 Oct 2026, 09:57 UTC

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