California earthquakes

M2.5 earthquake 25km SW of Ocotillo, CA

A magnitude 2.5 earthquake struck 25km SW of Ocotillo, CA on Thu, Mar 19, 1987, 2:34 PM PST (22:34 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.4 67km SW of Alberto Oviedo Mota, B.C., MX. 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
2.5 (mc), micro
Local time
UTC
1987-03-19 22:34:44 UTC
Depth
6.2 km (3.9 mi), shallow
Epicenter
32.552° N, 116.143° 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
210°, 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: 190 in the 60 days after this one and 82 in the 30 days before it.

After

The first 60 of 190.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci719021. Read Mon, Sep 28, 2026, 10:36 AM UTC.