California earthquakes

M1.7 earthquake 15km E of Niland, CA

A magnitude 1.7 earthquake struck 15km E of Niland, CA on Thu, Mar 12, 1981, 12:47 AM PST (08:47 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M5.8 The 1981 Westmorland, California Earthquake. This one was a foreshock.

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

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The earthquake

Magnitude
1.7 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1981-03-12 08:47:58 UTC
Depth
3.8 km (2.4 mi), shallow
Epicenter
33.245° N, 115.354° 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 1.0 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
84°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 192.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci531010. Read Sun, Oct 4, 2026, 11:41 PM UTC.