California earthquakes

M3.1 earthquake 23 km ENE of Soledad, California

A magnitude 3.1 earthquake struck 23 km ENE of Soledad, California on Tue, May 29, 1979, 3:16 PM PDT (22:16 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M3.5 12 km SW of Huron, 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
3.1 (md), minor
Local time
UTC
1979-05-29 22:16:07 UTC
Depth
0.8 km (0.5 mi), shallow
Epicenter
36.533° N, 121.096° 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 0.2 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
53°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 87 in the 30 days before it.

After

The first 60 of 139.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1045982. Read Tue, Sep 29, 2026, 11:58 PM UTC.