California earthquakes

M2.3 earthquake 18 km SE of Orick, California

A magnitude 2.3 earthquake struck 18 km SE of Orick, California on Wed, Jan 20, 1982, 4:39 PM PST (00:39 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M2.5 59 km W of Trinidad, California. This one was a foreshock.

Westhaven-Moonstone forecastMore in California

Map

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

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The earthquake

Magnitude
2.3 (md), micro
Local time
UTC
1982-01-21 00:39:52 UTC
Depth
22.2 km (13.8 mi), shallow
Epicenter
41.165° N, 123.904° 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 13.2 km horizontally, 4.9 km in depth
Depth from
From location
Station coverage gap
302°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 29 in the 30 days before it.

After

The first 60 of 66.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1071403. Read Tue, Sep 22, 2026, 4:01 PM UTC.