California earthquakes

M1.5 earthquake 21 km SSW of Three Rocks, California

A magnitude 1.5 earthquake struck 21 km SSW of Three Rocks, California on Mon, Oct 25, 1982, 11:34 AM PDT (18:34 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M1.7 21 km SSW of Three Rocks, California. This one was a foreshock.

Coalinga forecast More in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 1.5 (md), micro
Local time: Mon, Oct 25, 1982, 11:34 AM PDT
UTC: 1982-10-25 18:34:51 UTC
Depth: 9.8 km (6.1 mi), shallow
Epicenter: 36.331° N, 120.500° 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 1.0 km horizontally, 0.8 km in depth
Magnitude uncertainty: ±0.11
Depth from: From location
Station coverage gap: 214°, poorly surrounded by stations
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: 198 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 198.

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1080768. Read Tue, Sep 22, 2026, 9:29 PM UTC.