California earthquakes

M3.8 earthquake 12 km W of Huron, California

A magnitude 3.8 earthquake struck 12 km W of Huron, California on Sat, May 7, 1983, 5:42 AM PDT (12:42 UTC), 17 km (10 mi) below the surface.

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The earthquake

Magnitude: 3.8 (md), minor
Local time: Sat, May 7, 1983, 5:42 AM PDT
UTC: 1983-05-07 12:42:23 UTC
Depth: 16.6 km (10.3 mi), shallow
Epicenter: 36.212° N, 120.244° W
Region: California
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.9 km horizontally, 1.8 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 153°
Stations used: 14

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 196.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1093413 (also filed as ci1106917, usp0001v4k). Read Thu, Sep 24, 2026, 12:03 AM UTC.