California earthquakes

M2.0 earthquake 20km W of Amboy, CA

A magnitude 2.0 earthquake struck 20km W of Amboy, CA on Mon, Dec 23, 2002, 5:10 AM PST (13:10 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 16km ENE of Coachella, 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
2.0 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-12-23 13:10:53 UTC
Depth
4.8 km (3.0 mi), shallow
Epicenter
34.581° N, 115.958° 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, 18.6 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
82°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 131 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 131.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9872977. Read Sun, Oct 4, 2026, 7:48 PM UTC.