California earthquakes

M2.1 earthquake 19 km N of Coalinga, California

A magnitude 2.1 earthquake struck 19 km N of Coalinga, California on Wed, Feb 22, 1984, 8:09 AM PST (16:09 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.3 11 km NE of Coalinga, 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
2.1 (md), micro
Local time
UTC
1984-02-22 16:09:25 UTC
Depth
10.3 km (6.4 mi), shallow
Epicenter
36.316° N, 120.370° 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 0.2 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.29
Depth from
From location
Station coverage gap
115°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc7232 (also filed as ci32106). Read Tue, Sep 22, 2026, 9:42 PM UTC.