California earthquakes

M2.2 earthquake 26 km NE of Soledad, California

A magnitude 2.2 earthquake struck 26 km NE of Soledad, California on Wed, Apr 2, 1975, 12:04 AM PDT (07:04 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M4.3 7 km SSE of Gustine, California. 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
2.2 (md), micro
Local time
UTC
1975-04-02 07:04:45 UTC
Depth
7.3 km (4.6 mi), shallow
Epicenter
36.598° N, 121.130° 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 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.38
Depth from
From location
Station coverage gap
56°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 170 in the 30 days before it.

After

The first 60 of 194.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1023398. Read Mon, Sep 28, 2026, 10:32 AM UTC.