California earthquakes

M1.7 earthquake 13 km NNE of Coalinga, California

A magnitude 1.7 earthquake struck 13 km NNE of Coalinga, California on Sun, May 5, 1985, 11:38 PM PDT (06:38 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.1 8 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
1.7 (md), micro
Local time
UTC
1985-05-06 06:38:10 UTC
Depth
9.0 km (5.6 mi), shallow
Epicenter
36.254° N, 120.316° 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, 0.3 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
93°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 101 in the 60 days after this one and 95 in the 30 days before it.

After

The first 60 of 101.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc47268. Read Tue, Sep 22, 2026, 9:38 PM UTC.