California earthquakes

M1.9 earthquake 24 km SW of Three Rocks, California

A magnitude 1.9 earthquake struck 24 km SW of Three Rocks, California on Fri, Nov 19, 1982, 4:38 AM PST (12:38 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.2 26 km SW of Three Rocks, 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
1.9 (md), micro
Local time
UTC
1982-11-19 12:38:14 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
36.321° N, 120.552° 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, 0.5 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
161°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 134 in the 60 days after this one and 60 in the 30 days before it.

After

The first 60 of 134.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1082073. Read Tue, Sep 22, 2026, 7:48 PM UTC.