California earthquakes

M5.4 earthquake 9km NW of Grapevine, CA

A magnitude 5.4 earthquake struck 9km NW of Grapevine, CA on Mon, Jul 21, 1952, 5:06 AM GMT-7 (12:06 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M5.4 25km SSW of Bodfish, CA. This one was a foreshock.

Lake of the Woods forecastMore in California

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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
5.4 (mh), moderate
Local time
UTC
1952-07-21 12:06:00 UTC
Depth
0.0 km (0.0 mi), shallow
Epicenter
35.000° N, 119.000° 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.

Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3319397 (also filed as ushis1795). Read Tue, Sep 22, 2026, 9:14 AM UTC.