California earthquakes

M1.6 earthquake 18 km N of Coalinga, California

A magnitude 1.6 earthquake struck 18 km N of Coalinga, California on Fri, May 25, 1990, 7:45 AM PDT (14:45 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.6 11 km ESE of Cantua Creek, California. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-05-25 14:45:28 UTC
Depth
12.5 km (7.7 mi), shallow
Epicenter
36.309° N, 120.349° 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, 2.4 km in depth
Magnitude uncertainty
±0.01
Depth from
From location
Station coverage gap
207°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 82 in the 60 days after this one and 58 in the 30 days before it.

After

The first 60 of 82.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc158434. Read Mon, Oct 5, 2026, 8:30 AM UTC.