California earthquakes

M2.5 earthquake 10km S of Cabazon, CA

A magnitude 2.5 earthquake struck 10km S of Cabazon, CA on Thu, Apr 16, 1981, 10:57 AM PST (18:57 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M3.6 3km WNW of Lakeland Village, 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
2.5 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1981-04-16 18:57:33 UTC
Depth
13.9 km (8.6 mi), shallow
Epicenter
33.828° N, 116.766° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.31
Depth from
From location
Station coverage gap
23°
Stations used
55

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 98 in the 30 days before it.

After

The first 60 of 170.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci514509. Read Sat, Oct 3, 2026, 4:05 PM UTC.