California earthquakes

M2.1 earthquake 12km SW of Ocotillo Wells, CA

A magnitude 2.1 earthquake struck 12km SW of Ocotillo Wells, CA on Mon, Dec 5, 1983, 8:39 PM PST (04:39 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.4 15km NNW of Borrego Springs, CA. This one was a foreshock.

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

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The earthquake

Magnitude
2.1 (mc), micro
Local time
UTC
1983-12-06 04:39:02 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
33.058° N, 116.202° 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.

Depth from
From location
Station coverage gap
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 196.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci26708. Read Tue, Sep 22, 2026, 7:44 PM UTC.