California earthquakes

M1.6 earthquake 3 km WNW of Volcano, California

A magnitude 1.6 earthquake struck 3 km WNW of Volcano, California on Wed, Jan 11, 1978, 1:29 PM PST (21:29 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.6 11 km S of Soda Springs, 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
1.6 (ma), micro
Local time
UTC
1978-01-11 21:29:10 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
38.452° N, 120.668° 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 1.1 km horizontally, 7.6 km in depth
Magnitude uncertainty
±0.34
Depth from
From location
Station coverage gap
166°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1038545. Read Tue, Sep 22, 2026, 11:32 PM UTC.