California earthquakes

M3.1 earthquake 12km NE of Cabazon, CA

A magnitude 3.1 earthquake struck 12km NE of Cabazon, CA on Wed, Dec 16, 1987, 11:26 PM PST (07:26 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.5 8km WNW of San Jacinto, CA. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.1 (ml), minor
Local time
UTC
1987-12-17 07:26:25 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
33.980° N, 116.684° 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
36°
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: 167 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 167.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci630775 (also filed as usp0003bbw). Read Tue, Sep 22, 2026, 8:22 AM UTC.