California earthquakes

M1.6 earthquake 11 km N of Coalinga, California

A magnitude 1.6 earthquake struck 11 km N of Coalinga, California on Sun, Apr 29, 1984, 10:12 AM PDT (17:12 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M1.8 19 km NW 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
1.6 (md), micro
Local time
UTC
1984-04-29 17:12:13 UTC
Depth
6.5 km (4.0 mi), shallow
Epicenter
36.247° N, 120.365° 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 1.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
113°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 14 in the 30 days before it.

After

The first 60 of 180.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc16979 (also filed as ci38272). Read Tue, Sep 22, 2026, 8:59 PM UTC.