California earthquakes

M1.6 earthquake 17km ESE of Campo, CA

A magnitude 1.6 earthquake struck 17km ESE of Campo, CA on Mon, Aug 17, 1981, 10:42 PM PDT (05:42 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.4 65km E of Maneadero, B.C., MX. 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
1.6 (mc), micro
Local time
UTC
1981-08-18 05:42:00 UTC
Depth
7.2 km (4.5 mi), shallow
Epicenter
32.539° N, 116.308° 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 1.0 km horizontally, 3.0 km in depth
Depth from
From location
Station coverage gap
198°, poorly surrounded by stations
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 3 in the 30 days before it.

After

The first 60 of 189.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci521379. Read Tue, Sep 22, 2026, 8:44 PM UTC.