California earthquakes

M2.2 earthquake 26 km SW of Three Rocks, California

A magnitude 2.2 earthquake struck 26 km SW of Three Rocks, California on Fri, Nov 19, 1982, 10:39 PM PST (06:39 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.2 12 km S 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
2.2 (md), micro
Local time
UTC
1982-11-20 06:39:17 UTC
Depth
12.0 km (7.5 mi), shallow
Epicenter
36.311° N, 120.573° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
128°
Stations used
43

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 136 in the 60 days after this one and 58 in the 30 days before it.

After

The first 60 of 136.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1082093. Read Wed, Sep 23, 2026, 1:01 AM UTC.