EarthquakeModerate

M4.0 earthquake - Central Alaska

Name: M4.0 earthquake - Central Alaska
Start: 2023-10-28T01:00:04.228+00:00
Location: Central Alaska

1086 d ago · 28 Oct 2023, 01:00 UTC Central Alaska

What happened

A magnitude 4 earthquake struck Central Alaska on 28 Oct 2023, 01:00 UTC at a depth of 138 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 Fairbanks, about 190 km away in Alaska, United States.

Timeline

First reported by USGS
17 Oct 2026, 11:13 UTC

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