EarthquakeModeratePAGER: green

M4.0 earthquake near Eureka, California

Name: M4.0 earthquake near Eureka, California
Start: 2023-10-16T10:31:25.06+00:00
Location: 28 km W of Humboldt Hill, CA

1097 d ago · 16 Oct 2023, 10:31 UTC 28 km W of Humboldt Hill, CA

What happened

A magnitude 4 earthquake struck 28 km W of Humboldt Hill, CA on 16 Oct 2023, 10:31 UTC at a depth of 24 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.

The nearest town in our records is Eureka, about 31 km away in California, United States.

Timeline

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

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