California earthquakes

M4.6 earthquake 17km N of Tehachapi, CA

A magnitude 4.6 earthquake struck 17km N of Tehachapi, CA on Tue, Aug 12, 1952, 9:29 PM GMT-7 (04:29 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.7 19km SE of Arvin, 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
4.6 (ml), light
Local time
UTC
1952-08-13 04:29:39 UTC
Depth
0.5 km (0.3 mi), shallow
Epicenter
35.286° N, 118.427° W
Strongest shaking
V, moderate shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
V, moderate shaking
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

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 1.5 km horizontally, 3.2 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
78°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 52 in the 60 days after this one and 146 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3306532 (also filed as ushis1851). Read Tue, Sep 22, 2026, 4:01 PM UTC.