California earthquakes

M1.9 earthquake 39km SW of Ludlow, CA

A magnitude 1.9 earthquake struck 39km SW of Ludlow, CA on Sun, Jan 6, 1985, 1:53 AM PST (09:53 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.9 10km ENE of Desert Hot Springs, CA. 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
1.9 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1985-01-06 09:53:12 UTC
Depth
4.5 km (2.8 mi), shallow
Epicenter
34.500° N, 116.489° 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.

Depth from
Operator assigned
Station coverage gap
89°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 112 in the 30 days before it.

After

The first 60 of 189.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci58010. Read Fri, Oct 2, 2026, 1:58 PM UTC.