California earthquakes

M2.1 earthquake 27km ESE of Campo, CA

A magnitude 2.1 earthquake struck 27km ESE of Campo, CA on Wed, Mar 10, 2021, 9:54 PM PST (05:54 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.8 7km NW of Delta, B.C., MX. 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
2021-03-11 05:54:40 UTC
Depth
11.2 km (7.0 mi), shallow
Epicenter
32.539° N, 116.194° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
75°
Stations used
42

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 132 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 ci39576983. Read Sat, Oct 3, 2026, 10:13 PM UTC.