California earthquakes

M2.4 earthquake 10 km NW of Fields Landing, California

A magnitude 2.4 earthquake struck 10 km NW of Fields Landing, California on Fri, Jan 12, 1979, 7:20 AM PST (15:20 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M2.5 4 km NE of Hydesville, California. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.4 (md), micro
Local time
UTC
1979-01-12 15:20:36 UTC
Depth
23.8 km (14.8 mi), shallow
Epicenter
40.779° N, 124.314° 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, 0.7 km in depth
Depth from
From location
Station coverage gap
224°, poorly surrounded by stations
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 131 in the 60 days after this one and 63 in the 30 days before it.

After

The first 60 of 131.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1044156. Read Tue, Sep 22, 2026, 8:52 AM UTC.