California earthquakes

M2.3 earthquake 2km WSW of Brawley, CA

A magnitude 2.3 earthquake struck 2km WSW of Brawley, CA on Fri, Aug 1, 1969, 9:03 PM GMT-7 (04:03 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.0 17km SW of Ocotillo Wells, 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
2.3 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1969-08-02 04:03:39 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
32.972° N, 115.556° 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 1.2 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
172°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 18 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3327140. Read Fri, Oct 2, 2026, 9:41 PM UTC.