California earthquakes

M2.1 earthquake 15km N of Independence, CA

A magnitude 2.1 earthquake struck 15km N of Independence, CA on Sat, Apr 18, 1987, 8:41 AM PDT (15:41 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.3 10 km SW of Aspen Springs, California. 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
2.1 (mc), micro
Local time
UTC
1987-04-18 15:41:24 UTC
Depth
3.8 km (2.3 mi), shallow
Epicenter
36.937° N, 118.203° 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
Operator assigned
Station coverage gap
191°, poorly surrounded by stations
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: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci720848. Read Tue, Sep 22, 2026, 11:19 AM UTC.