California earthquakes

M1.6 earthquake 2km E of Cabazon, CA

A magnitude 1.6 earthquake struck 2km E of Cabazon, CA on Tue, May 30, 1978, 3:51 PM PDT (22:51 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.4 14km NNW of Warner Springs, 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
1978-05-30 22:51:00 UTC
Depth
15.9 km (9.9 mi), shallow
Epicenter
33.919° N, 116.761° 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
74°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 151 in the 60 days after this one and 123 in the 30 days before it.

After

The first 60 of 151.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3339735. Read Mon, Sep 28, 2026, 4:40 PM UTC.