California earthquakes

M2.3 earthquake 7km WSW of Calipatria, CA

A magnitude 2.3 earthquake struck 7km WSW of Calipatria, CA on Wed, May 27, 1981, 2:43 PM PDT (21:43 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.9 6km SSW of Salton City, 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
2.3 (mc), micro
Local time
UTC
1981-05-27 21:43:46 UTC
Depth
8.3 km (5.1 mi), shallow
Epicenter
33.108° N, 115.589° 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 0.6 km horizontally, 1.4 km in depth
Depth from
From location
Station coverage gap
43°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 191.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci516721. Read Tue, Sep 22, 2026, 8:26 PM UTC.