California earthquakes

M2.3 earthquake 44km WSW of Encinitas, CA

A magnitude 2.3 earthquake struck 44km WSW of Encinitas, CA on Sun, Nov 9, 1986, 11:34 PM PST (07:34 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.4 45km WSW of Carlsbad, CA. 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
2.3 (mc), micro
Local time
UTC
1986-11-10 07:34:25 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
32.945° N, 117.752° 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
Operator assigned
Station coverage gap
256°, 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: 173 in the 60 days after this one and 18 in the 30 days before it.

After

The first 60 of 173.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci712735. Read Tue, Sep 22, 2026, 10:17 AM UTC.