California earthquakes

M2.8 earthquake 3km W of Brawley, CA

A magnitude 2.8 earthquake struck 3km W of Brawley, CA on Sat, Dec 24, 1983, 1:43 PM PST (21:43 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M3.1 11km SSW of Ocotillo Wells, CA. 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
2.8 (mc), micro
Local time
UTC
1983-12-24 21:43:40 UTC
Depth
14.3 km (8.9 mi), shallow
Epicenter
32.974° N, 115.564° 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 0.5 km horizontally, 0.7 km in depth
Depth from
From location
Station coverage gap
67°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 191.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci27734. Read Tue, Sep 22, 2026, 9:17 AM UTC.