California earthquakes

M1.6 earthquake 11km E of Cabazon, CA

A magnitude 1.6 earthquake struck 11km E of Cabazon, CA on Sun, Feb 19, 1978, 3:23 AM PST (11:23 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.1 20km ENE of Lucerne Valley, CA. This one was a foreshock.

Cabazon 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
1.6 (mc), micro
Local time
UTC
1978-02-19 11:23:25 UTC
Depth
18.0 km (11.2 mi), shallow
Epicenter
33.929° N, 116.666° 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 0.4 km horizontally, 0.6 km in depth
Depth from
From location
Station coverage gap
62°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 161 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 161.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3337485. Read Wed, Sep 23, 2026, 2:06 PM UTC.