California earthquakes

M2.9 earthquake 9km ENE of Calexico, CA

A magnitude 2.9 earthquake struck 9km ENE of Calexico, CA on Sun, Nov 4, 1979, 6:19 AM PST (14:19 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.8 10km NNW of Delta, 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 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1979-11-04 14:19:41 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
32.719° N, 115.419° 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 0.9 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
154°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 198 in the 30 days before it.

After

The first 60 of 192.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3353613. Read Sun, Oct 4, 2026, 2:45 PM UTC.