California earthquakes

M2.8 earthquake 26 km NE of Soledad, California

A magnitude 2.8 earthquake struck 26 km NE of Soledad, California on Sun, Jan 22, 1978, 2:21 PM PST (22:21 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.1 11km N of Avenal, 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
2.8 (md), micro
Local time
UTC
1978-01-22 22:21:15 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
36.560° N, 121.081° 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, 0.6 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
65°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 132 in the 60 days after this one and 49 in the 30 days before it.

After

The first 60 of 132.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1038693. Read Tue, Sep 22, 2026, 3:35 PM UTC.