California earthquakes

M1.9 earthquake 21km NNW of Tehachapi, CA

A magnitude 1.9 earthquake struck 21km NNW of Tehachapi, CA on Sun, Jul 17, 1983, 7:31 AM PDT (14:31 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 27km SSW of Bodfish, 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
1.9 (mc), micro
Local time
UTC
1983-07-17 14:31:44 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
35.294° N, 118.563° 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 1.4 km horizontally, 31.6 km in depth
Depth from
Operator assigned
Station coverage gap
232°, poorly surrounded by stations
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 136 in the 60 days after this one and 59 in the 30 days before it.

After

The first 60 of 136.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci10496. Read Tue, Sep 29, 2026, 3:51 AM UTC.