California earthquakes

M2.5 earthquake 12km SE of Anza, CA

A magnitude 2.5 earthquake struck 12km SE of Anza, CA on Sun, Jan 17, 1982, 10:20 AM PST (18:20 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.6 12km SE of Anza, 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
2.5 (ml), micro
Local time
UTC
1982-01-17 18:20:43 UTC
Depth
11.3 km (7.0 mi), shallow
Epicenter
33.474° N, 116.585° 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
From location
Station coverage gap
43°
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: 191 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 191.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci104732. Read Tue, Sep 22, 2026, 4:01 PM UTC.