California earthquakes

M1.7 earthquake 12km SW of Arvin, CA

A magnitude 1.7 earthquake struck 12km SW of Arvin, CA on Tue, Sep 15, 1987, 7:23 AM PDT (14:23 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.0 10km NNE of Oildale, 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
1987-09-15 14:23:52 UTC
Depth
11.9 km (7.4 mi), shallow
Epicenter
35.129° N, 118.921° 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
177°
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: 55 in the 60 days after this one and 35 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci623406. Read Thu, Oct 1, 2026, 6:45 AM UTC.