California earthquakes

M1.8 earthquake 16km WSW of Tehachapi, CA

A magnitude 1.8 earthquake struck 16km WSW of Tehachapi, CA on Mon, Sep 17, 1984, 12:44 AM PDT (07:44 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.5 8km WSW of Tehachapi, 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
1.8 (mc), micro
Local time
UTC
1984-09-17 07:44:44 UTC
Depth
10.4 km (6.4 mi), shallow
Epicenter
35.085° N, 118.610° 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
59°
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: 62 in the 60 days after this one and 35 in the 30 days before it.

After

The first 60 of 62.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci50813. Read Tue, Sep 29, 2026, 6:13 PM UTC.