California earthquakes

M1.7 earthquake 17km NW of Tehachapi, CA

A magnitude 1.7 earthquake struck 17km NW of Tehachapi, CA on Tue, Jan 11, 1983, 3:57 AM PST (11:57 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.4 17km NNE of Inyokern, 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 (mh), micro
Local time
UTC
1983-01-11 11:57:02 UTC
Depth
5.1 km (3.1 mi), shallow
Epicenter
35.257° N, 118.562° 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 0.6 km horizontally, 7.7 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
82°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 163 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 163.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci502018. Read Thu, Sep 24, 2026, 8:07 AM UTC.