California earthquakes

M1.9 earthquake 11km NNW of Corcoran, CA

A magnitude 1.9 earthquake struck 11km NNW of Corcoran, CA on Sun, May 20, 1990, 4:32 AM PDT (11:32 UTC), 5 km (3 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
1.9 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1990-05-20 11:32:20 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
36.184° N, 119.625° 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.

Depth from
Operator assigned
Station coverage gap
119°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 23 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci680182. Read Sat, Oct 3, 2026, 3:10 PM UTC.