California earthquakes

M2.6 earthquake 47km ESE of San Clemente Is. (SE tip), CA

A magnitude 2.6 earthquake struck 47km ESE of San Clemente Is. (SE tip), CA on Sun, Aug 1, 1982, 12:23 AM PDT (07:23 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.1 6km S of Avalon, 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: 2.6 (Mc), micro
Magnitude from: Southern California Seismic Network
Local time: Sun, Aug 1, 1982, 12:23 AM PDT
UTC: 1982-08-01 07:23:58 UTC
Depth: 5.7 km (3.6 mi), shallow
Epicenter: 32.625° N, 117.895° W
Region: California
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: 245°, 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: 11 in the 60 days after this one and 1 in the 30 days before it.

After

Before

2.555km W of Rosarito, B.C., MXThu, Jul 8, 10:31 AM PDT · 16159 days ago · 5 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci505995. Read Sun, Oct 4, 2026, 4:31 PM UTC.