California earthquakes

M4.0 earthquake 18km NW of Tehachapi, CA

A magnitude 4.0 earthquake struck 18km NW of Tehachapi, CA on Tue, Jul 22, 1952, 5:26 PM GMT-7 (00:26 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M5.4 25km SSW of Bodfish, 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
4.0 (ml), minor
Local time
UTC
1952-07-23 00:26:09 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.220° N, 118.609° 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 0.8 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
109°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 199.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3318781. Read Tue, Sep 22, 2026, 5:43 AM UTC.