California earthquakes

M3.3 earthquake 13km N of Cabazon, CA

A magnitude 3.3 earthquake struck 13km N of Cabazon, CA on Sun, Feb 5, 1978, 5:01 PM PST (01:01 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.2 22km 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
3.3 (ml), minor
Local time
UTC
1978-02-06 01:01:28 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
34.030° N, 116.775° 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, 0.7 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
29°
Stations used
63

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 152 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 152.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9998878 (also filed as usp0000suk). Read Tue, Sep 22, 2026, 8:55 PM UTC.