California earthquakes

M3.0 earthquake 8 km S of Huron, California

A magnitude 3.0 earthquake struck 8 km S of Huron, California on Wed, Aug 14, 1985, 8:20 PM PDT (03:20 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.2 1 km SSE of Avenal, California. This one was a foreshock.

Huron forecast More in California

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.0 (ml), minor
Local time: Wed, Aug 14, 1985, 8:20 PM PDT
UTC: 1985-08-15 03:20:55 UTC
Depth: 6.6 km (4.1 mi), shallow
Epicenter: 36.125° N, 120.111° 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 0.3 km horizontally, 0.4 km in depth
Depth from: From location
Station coverage gap: 170°
Stations used: 32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 197.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc53111 (also filed as ci109623, usp0002hrf). Read Thu, Sep 24, 2026, 9:47 AM UTC.