California earthquakes

M1.9 earthquake 21 km NE of Soledad, California

A magnitude 1.9 earthquake struck 21 km NE of Soledad, California on Sun, Oct 4, 1981, 8:41 AM PDT (15:41 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.3 3 km S of San Juan Bautista, 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
1.9 (md), micro
Local time
UTC
1981-10-04 15:41:41 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
36.587° N, 121.187° 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, 0.5 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
38°
Stations used
43

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 59 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 nc1068278. Read Tue, Sep 22, 2026, 4:24 PM UTC.