M2.3 earthquake 42km WSW of Encinitas, CA

A magnitude 2.3 earthquake struck 42km WSW of Encinitas, CA on Sun, Nov 30, 1986, 5:53 PM PST (01:53 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M3.7 48km WSW of Carlsbad, CA. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 152 in the 60 days after this one and 89 in the 30 days before it.

The first 60 of 152.

From the USGS Earthquake Hazards Program and its partner networks, event ci713852. Read Fri, Oct 2, 2026, 2:23 PM UTC.