California earthquakes

M2.1 earthquake 3km WSW of Brawley, CA

A magnitude 2.1 earthquake struck 3km WSW of Brawley, CA on Wed, May 28, 2003, 3:22 AM PDT (10:22 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M3.6 4km SW of Brawley, 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
2.1 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2003-05-28 10:22:30 UTC
Depth
13.5 km (8.4 mi), shallow
Epicenter
32.972° 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 0.4 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.33
Depth from
From location
Station coverage gap
71°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 138 in the 60 days after this one and 199 in the 30 days before it.

After

The first 60 of 138.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9919337. Read Mon, Oct 5, 2026, 12:09 PM UTC.