California earthquakes

M2.1 earthquake 17 km NE of Mesa, California

A magnitude 2.1 earthquake struck 17 km NE of Mesa, California on Mon, Jan 26, 1987, 10:44 AM PST (18:44 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.2 44km NE of Independence, CA. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (md), micro
Local time
UTC
1987-01-26 18:44:08 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
37.544° N, 118.425° 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.

Location uncertainty
About 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
61°
Stations used
35

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 nc93260 (also filed as ci716330). Read Tue, Sep 22, 2026, 8:27 PM UTC.