California earthquakes

M2.9 earthquake 20km SE of Ocotillo, CA

A magnitude 2.9 earthquake struck 20km SE of Ocotillo, CA on Sat, Feb 27, 1988, 9:12 PM PST (05:12 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.9 71km WSW 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
2.9 (mc), micro
Local time
UTC
1988-02-28 05:12:14 UTC
Depth
6.3 km (3.9 mi), shallow
Epicenter
32.628° N, 115.828° 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
139°
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: 186 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 186.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci744404. Read Tue, Sep 22, 2026, 9:01 PM UTC.