California earthquakes

M1.7 earthquake 10km NNW of Anza, CA

A magnitude 1.7 earthquake struck 10km NNW of Anza, CA on Wed, Oct 27, 1982, 7:58 AM PDT (14:58 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M1.8 14km NE of Indio, 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
1.7 (mc), micro
Local time
UTC
1982-10-27 14:58:27 UTC
Depth
12.7 km (7.9 mi), shallow
Epicenter
33.645° N, 116.708° 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
99°
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: 199 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 199.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci511965. Read Tue, Sep 22, 2026, 9:40 PM UTC.