California earthquakes

M3.0 earthquake 15km SSW of Ocotillo, CA

A magnitude 3.0 earthquake struck 15km SSW of Ocotillo, CA on Sun, Feb 21, 1982, 3:02 AM PST (11:02 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M4.5 12km SSW of Ocotillo Wells, CA. 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
3.0 (ML, local (Richter)), minor
Magnitude from
Southern California Seismic Network
Local time
UTC
1982-02-21 11:02:40 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
32.617° N, 116.071° 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.

Depth from
From location
Station coverage gap
175°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 146 in the 60 days after this one and 59 in the 30 days before it.

After

The first 60 of 146.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci106193. Read Sun, Oct 4, 2026, 6:17 AM UTC.