California earthquakes

M1.5 earthquake 7 km NNE of Coalinga, California

A magnitude 1.5 earthquake struck 7 km NNE of Coalinga, California on Sun, Mar 18, 1990, 9:03 PM PST (05:03 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.3 22 km NNE of Soledad, 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-03-19 05:03:24 UTC
Depth
10.5 km (6.5 mi), shallow
Epicenter
36.205° N, 120.322° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
57°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 110 in the 60 days after this one and 48 in the 30 days before it.

After

The first 60 of 110.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc154441. Read Sat, Oct 3, 2026, 11:30 AM UTC.