California earthquakes

M3.0 earthquake 6km W of Brawley, CA

A magnitude 3.0 earthquake struck 6km W of Brawley, CA on Sun, Nov 4, 1979, 1:30 AM PST (09:30 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M3.4 2km SW of Guadalupe Victoria, B.C., MX. This one was a foreshock.

Brawley forecastMore in California

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), micro
Local time
UTC
1979-11-04 09:30:30 UTC
Depth
14.5 km (9.0 mi), shallow
Epicenter
32.982° N, 115.592° 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 0.6 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
63°
Stations used
40

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 ci3353608 (also filed as usp00013um). Read Tue, Sep 22, 2026, 10:24 PM UTC.