California earthquakes

M1.5 earthquake 18km NNE of Indio, CA

A magnitude 1.5 earthquake struck 18km NNE of Indio, CA on Fri, Feb 27, 1981, 7:15 AM PST (15:15 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.9 7km N of Westmorland, CA. This one was a foreshock.

Indio Hills 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
1.5 (mh), micro
Local time
UTC
1981-02-27 15:15:58 UTC
Depth
4.5 km (2.8 mi), shallow
Epicenter
33.881° N, 116.163° 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 0.5 km horizontally, 24.1 km in depth
Magnitude uncertainty
±0.40
Depth from
From location
Station coverage gap
65°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 165 in the 30 days before it.

After

The first 60 of 179.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci531386. Read Tue, Sep 29, 2026, 1:22 PM UTC.