California earthquakes

M1.6 earthquake 8km SSW of Cabazon, CA

A magnitude 1.6 earthquake struck 8km SSW of Cabazon, CA on Mon, Jul 7, 2003, 2:48 PM PDT (21:48 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.2 34km NE of Lucerne Valley, 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
1.6 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2003-07-07 21:48:09 UTC
Depth
16.1 km (10.0 mi), shallow
Epicenter
33.852° N, 116.811° 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, 1.0 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
104°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 183 in the 60 days after this one and 134 in the 30 days before it.

After

The first 60 of 183.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9928957. Read Mon, Oct 5, 2026, 12:05 PM UTC.