California earthquakes

M4.0 earthquake 13km NNW of Grapevine, CA

A magnitude 4.0 earthquake struck 13km NNW of Grapevine, CA on Fri, Nov 14, 1952, 3:34 PM GMT-8 (23:34 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M4.1 4km SW of Grapevine, 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), light
Local time
UTC
1952-11-14 23:34:00 UTC
Depth
1.4 km (0.9 mi), shallow
Epicenter
35.051° N, 118.980° 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 0.7 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
75°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 15 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3307210. Read Tue, Sep 22, 2026, 8:56 AM UTC.