California earthquakes

M1.5 earthquake 4km ESE of Cabazon, CA

A magnitude 1.5 earthquake struck 4km ESE of Cabazon, CA on Sun, May 14, 1978, 9:19 AM PDT (16:19 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M1.8 14km S of Anza, 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
1.5 (mc), micro
Local time
UTC
1978-05-14 16:19:27 UTC
Depth
19.2 km (11.9 mi), shallow
Epicenter
33.906° N, 116.748° 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, 0.9 km in depth
Depth from
From location
Station coverage gap
57°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 149 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 149.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3339459. Read Tue, Sep 22, 2026, 9:29 PM UTC.