California earthquakes

M2.0 earthquake 8km NW of Vincent, CA

A magnitude 2.0 earthquake struck 8km NW of Vincent, CA on Wed, Sep 2, 1981, 7:17 AM PDT (14:17 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.9 4km NE of San Bernardino, CA. 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
2.0 (mc), micro
Local time
UTC
1981-09-02 14:17:00 UTC
Depth
2.8 km (1.8 mi), shallow
Epicenter
34.550° N, 118.183° 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, 1.1 km in depth
Depth from
From location
Station coverage gap
57°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 99 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 99.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci522049. Read Tue, Sep 22, 2026, 9:28 PM UTC.