California earthquakes

M4.3 earthquake 7 km SSE of Gustine, California

A magnitude 4.3 earthquake struck 7 km SSE of Gustine, California on Sat, May 24, 1975, 11:15 PM PDT (06:15 UTC), 1 km (1 mi) below the surface.

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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
4.3 (md), light
Local time
UTC
1975-05-25 06:15:48 UTC
Depth
1.2 km (0.7 mi), shallow
Epicenter
37.194° N, 120.968° 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 0.4 km horizontally, 7.2 km in depth
Magnitude uncertainty
±0.53
Depth from
From location
Station coverage gap
72°
Stations used
54

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 137 in the 30 days before it.

After

The first 60 of 192.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1023979. Read Sun, Sep 27, 2026, 3:06 AM UTC.