California earthquakes

M1.6 earthquake 10km W of Anza, CA

A magnitude 1.6 earthquake struck 10km W of Anza, CA on Sat, Apr 13, 1985, 12:14 AM PST (08:14 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.7 11km NNE of Aguanga, CA. This one was a foreshock.

Anza forecastMore in California

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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
1.6 (mc), micro
Local time
UTC
1985-04-13 08:14:11 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
33.546° N, 116.776° 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
103°
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: 179 in the 60 days after this one and 166 in the 30 days before it.

After

The first 60 of 179.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci64302. Read Wed, Sep 30, 2026, 12:05 PM UTC.