California earthquakes

M2.2 earthquake 9km E of Cabazon, CA

A magnitude 2.2 earthquake struck 9km E of Cabazon, CA on Thu, Dec 29, 1977, 5:11 PM PST (01:11 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.5 14km ENE of Borrego 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
2.2 (mh), micro
Local time
UTC
1977-12-30 01:11:46 UTC
Depth
15.8 km (9.8 mi), shallow
Epicenter
33.907° N, 116.695° 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, 0.4 km in depth
Depth from
From location
Station coverage gap
40°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 165 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 165.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3337190. Read Tue, Sep 22, 2026, 9:41 PM UTC.