California earthquakes

M2.0 earthquake 6 km WSW of Gilroy, California

A magnitude 2.0 earthquake struck 6 km WSW of Gilroy, California on Sat, Feb 3, 1979, 3:46 PM PST (23:46 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.4 14 km E of Seven Trees, 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
2.0 (md), micro
Local time
UTC
1979-02-03 23:46:09 UTC
Depth
5.7 km (3.5 mi), shallow
Epicenter
36.978° N, 121.632° 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 0.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
49°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 131 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 131.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1044513. Read Tue, Sep 22, 2026, 9:30 PM UTC.