California earthquakes

M3.0 earthquake 6 km SSE of Huron, California

A magnitude 3.0 earthquake struck 6 km SSE of Huron, California on Tue, Aug 27, 1985, 11:30 AM PDT (18:30 UTC), 10 km (6 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

Map

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

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The earthquake

Magnitude: 3.0 (md), micro
Local time: Tue, Aug 27, 1985, 11:30 AM PDT
UTC: 1985-08-27 18:30:51 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 36.154° N, 120.068° 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 0.6 km horizontally, 0.4 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 207°, poorly surrounded by stations
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: 188 in the 60 days after this one and 8 in the 30 days before it.

After

The first 60 of 188.

Before

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc53950 (also filed as ci112910, usp0002j6t). Read Tue, Sep 22, 2026, 3:49 PM UTC.