California earthquakes

M3.0 earthquake Northern California

A magnitude 3.0 earthquake struck in Northern California on Wed, Jan 27, 1982, 3:42 PM PST (23:42 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.2 3 km ENE of Tres Pinos, California. This one was a foreshock.

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Map

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
UTC
1982-01-27 23:42:01 UTC
Depth
11.8 km (7.3 mi), shallow
Epicenter
37.011° N, 121.713° W
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 0.2 km horizontally, 0.4 km in depth
Depth from
From location
Station coverage gap
66°
Stations used
68

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 174.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1071608 (also filed as usp0001jbu). Read Tue, Sep 22, 2026, 10:35 PM UTC.