California earthquakes

M2.1 earthquake 33km N of Joshua Tree, CA

A magnitude 2.1 earthquake struck 33km N of Joshua Tree, CA on Sun, Apr 4, 1982, 11:21 AM PST (19:21 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.2 9km SSW of Idyllwild, CA. This one was a foreshock.

Joshua Tree forecastMore in California

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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
2.1 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1982-04-04 19:21:08 UTC
Depth
9.2 km (5.7 mi), shallow
Epicenter
34.427° N, 116.292° 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
75°
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: 141 in the 60 days after this one and 80 in the 30 days before it.

After

The first 60 of 141.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci528200. Read Sun, Oct 4, 2026, 11:41 PM UTC.