California earthquakes

M1.8 earthquake 23 km NW of Coalinga, California

A magnitude 1.8 earthquake struck 23 km NW of Coalinga, California on Mon, Nov 29, 1982, 4:15 AM PST (12:15 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M2.4 24 km NE of Greenfield, California. This one was a foreshock.

Coalinga 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
1.8 (md), micro
Local time
UTC
1982-11-29 12:15:37 UTC
Depth
13.6 km (8.4 mi), shallow
Epicenter
36.310° N, 120.520° 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 0.4 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
136°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 54 in the 30 days before it.

After

The first 60 of 139.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1082466. Read Tue, Sep 22, 2026, 8:45 PM UTC.