California earthquakes

M2.5 earthquake 12km NNE of Thousand Palms, CA

A magnitude 2.5 earthquake struck 12km NNE of Thousand Palms, CA on Sun, Dec 19, 1948, 2:54 PM GMT-7 (21:54 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.9 10km N of Thousand Palms, 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
2.5 (ml), micro
Local time
UTC
1948-12-19 21:54:35 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.930° N, 116.363° 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 3.4 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
294°, poorly surrounded by stations
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: 46 in the 60 days after this one and 152 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3356421. Read Tue, Sep 22, 2026, 10:57 AM UTC.