California earthquakes

M2.0 earthquake 14 km N of Moskowite Corner, California

A magnitude 2.0 earthquake struck 14 km N of Moskowite Corner, California on Mon, Oct 12, 1981, 2:10 AM PDT (09:10 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.3 5 km W of Cobb, 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: 2.0 (Md, duration), micro
Magnitude from: Northern California Seismic System
Local time: Mon, Oct 12, 1981, 2:10 AM PDT
UTC: 1981-10-12 09:10:51 UTC
Depth: -0.4 km (-0.2 mi), shallow
Epicenter: 38.577° N, 122.176° W
Region: California
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 0.8 km horizontally, 1.7 km in depth
Magnitude uncertainty: ±0.28
Depth from: From location
Station coverage gap: 103°
Stations used: 12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 120 in the 60 days after this one and 67 in the 30 days before it.

After

The first 60 of 120.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1068552. Read Sat, Oct 3, 2026, 11:28 AM UTC.