California earthquakes

M1.8 earthquake 5 km SSW of Gilroy, California

A magnitude 1.8 earthquake struck 5 km SSW of Gilroy, California on Mon, Jan 19, 1981, 11:34 AM PST (19:34 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.4 9 km ENE of Morgan Hill, California. This one was a foreshock.

Gilroy 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
1.8 (md), micro
Local time
UTC
1981-01-19 19:34:12 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
36.962° N, 121.599° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
58°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 180.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1059423. Read Tue, Sep 22, 2026, 11:12 AM UTC.