California earthquakes

M1.7 earthquake 10 km NE of Coalinga, California

A magnitude 1.7 earthquake struck 10 km NE of Coalinga, California on Thu, Apr 25, 1985, 8:38 PM PST (04:38 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.1 1 km SSW of Coalinga, California. This one was a foreshock.

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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
1985-04-26 04:38:43 UTC
Depth
8.3 km (5.2 mi), shallow
Epicenter
36.209° N, 120.283° 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 2.2 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
218°, 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: 99 in the 60 days after this one and 92 in the 30 days before it.

After

The first 60 of 99.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc47575. Read Tue, Sep 22, 2026, 11:13 AM UTC.