California earthquakes

M4.1 earthquake 16km NNW of Tehachapi, CA

A magnitude 4.1 earthquake struck 16km NNW of Tehachapi, CA on Wed, Jul 23, 1952, 7:41 PM GMT-7 (02:41 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.1 18km SSW of Lamont, 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
4.1 (ml), light
Local time
UTC
1952-07-24 02:41:43 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.266° N, 118.512° 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
±0.07
Depth from
Operator assigned
Station coverage gap
90°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 161 in the 60 days after this one and 37 in the 30 days before it.

After

The first 60 of 161.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3318315. Read Tue, Sep 22, 2026, 5:12 AM UTC.