California earthquakes

M4.0 earthquake 6km SW of Tehachapi, CA

A magnitude 4.0 earthquake struck 6km SW of Tehachapi, CA on Sun, Jun 21, 1981, 9:57 PM PDT (04:57 UTC), 0 km (0 mi) below the surface.

Golden Hills forecastMore in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
4.0 (ml), light
Local time
UTC
1981-06-22 04:57:47 UTC
Depth
0.3 km (0.2 mi), shallow
Epicenter
35.098° N, 118.504° 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, 1.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
58°
Stations used
82

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 56 in the 60 days after this one and 18 in the 30 days before it.

After

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci518117 (also filed as usp0001e9p). Read Tue, Sep 22, 2026, 8:36 PM UTC.