California earthquakes

M1.7 earthquake 2km E of Redlands, CA

A magnitude 1.7 earthquake struck 2km E of Redlands, CA on Thu, Apr 8, 1982, 8:09 PM PST (04:09 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.1 17km E of Desert Hot Springs, CA. 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
1.7 (mc), micro
Local time
UTC
1982-04-09 04:09:28 UTC
Depth
9.2 km (5.7 mi), shallow
Epicenter
34.057° N, 117.164° 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
72°
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: 154 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 154.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci528446. Read Tue, Sep 22, 2026, 10:19 PM UTC.