California earthquakes

M1.7 earthquake 15km SSW of Tehachapi, CA

A magnitude 1.7 earthquake struck 15km SSW of Tehachapi, CA on Tue, Dec 11, 1990, 10:27 PM PST (06:27 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.3 14km NNE of Lamont, 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
1.7 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1990-12-12 06:27:47 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
35.006° N, 118.513° 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
51°
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: 82 in the 60 days after this one and 43 in the 30 days before it.

After

The first 60 of 82.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci2008739. Read Sun, Oct 4, 2026, 6:13 AM UTC.