California earthquakes

M2.3 earthquake 3 km W of Maxwell, California

A magnitude 2.3 earthquake struck 3 km W of Maxwell, California on Thu, Dec 11, 1980, 11:09 PM PST (07:09 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.3 11 km WSW of Durham, California. This one was a foreshock.

Maxwell forecastMore in California

Map

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

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The earthquake

Magnitude
2.3 (md), micro
Local time
UTC
1980-12-12 07:09:54 UTC
Depth
17.7 km (11.0 mi), shallow
Epicenter
39.280° N, 122.233° 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 0.6 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
139°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 154 in the 60 days after this one and 33 in the 30 days before it.

After

The first 60 of 154.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1058019. Read Tue, Sep 22, 2026, 4:51 PM UTC.