California earthquakes

M3.1 earthquake 8km ENE of El Centro, CA

A magnitude 3.1 earthquake struck 8km ENE of El Centro, CA on Sun, Nov 13, 1977, 8:25 AM PST (16:25 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.4 4km N of Puebla, B.C., MX. 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
3.1 (ml), minor
Local time
UTC
1977-11-13 16:25:19 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
32.812° N, 115.480° 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 1.2 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.24
Depth from
Operator assigned
Station coverage gap
136°
Stations used
30

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 180.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3336033 (also filed as usp0000rfv). Read Tue, Sep 22, 2026, 8:26 AM UTC.