California earthquakes

M1.5 earthquake 32km SE of Three Rivers, CA

A magnitude 1.5 earthquake struck 32km SE of Three Rivers, CA on Mon, Oct 17, 1983, 1:57 PM PDT (20:57 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.5 20km NNE of Kernville, 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
1.5 (mh), micro
Local time
UTC
1983-10-17 20:57:03 UTC
Depth
4.9 km (3.1 mi), shallow
Epicenter
36.271° N, 118.620° 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
Operator assigned
Station coverage gap
0°
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: 198 in the 60 days after this one and 104 in the 30 days before it.

After

The first 60 of 198.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci18721. Read Wed, Sep 30, 2026, 4:50 AM UTC.