California earthquakes

M2.1 earthquake 32km SSW of Ludlow, CA

A magnitude 2.1 earthquake struck 32km SSW of Ludlow, CA on Mon, Feb 25, 2002, 1:57 PM PST (21:57 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.4 25km SSW of Ludlow, 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
2.1 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-02-25 21:57:03 UTC
Depth
6.3 km (3.9 mi), shallow
Epicenter
34.450° N, 116.259° 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, 1.4 km in depth
Magnitude uncertainty
±0.56
Depth from
From location
Station coverage gap
110°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 167 in the 60 days after this one and 83 in the 30 days before it.

After

The first 60 of 167.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci12459016. Read Mon, Oct 5, 2026, 2:35 AM UTC.