California earthquakes

M2.3 earthquake 20km WNW of Grapevine, CA

A magnitude 2.3 earthquake struck 20km WNW of Grapevine, CA on Wed, Nov 11, 1981, 4:52 AM PST (12:52 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.7 20km N of Pine Mountain Club, CA. This one was a foreshock.

Pine Mountain Club 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 (mc), micro
Local time
UTC
1981-11-11 12:52:42 UTC
Depth
0.9 km (0.6 mi), shallow
Epicenter
35.028° N, 119.123° 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 0.5 km horizontally, 1.1 km in depth
Depth from
From location
Station coverage gap
97°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 83 in the 60 days after this one and 54 in the 30 days before it.

After

The first 60 of 83.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci526866. Read Tue, Sep 22, 2026, 10:41 AM UTC.