California earthquakes

M2.1 earthquake 13 km WSW of Gonzales, California

A magnitude 2.1 earthquake struck 13 km WSW of Gonzales, California on Wed, May 22, 2002, 8:41 PM PDT (03:41 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M3.8 22 km NE of Soledad, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2002-05-23 03:41:05 UTC
Depth
29.2 km (18.1 mi), shallow
Epicenter
36.446° N, 121.579° 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 2.0 km horizontally, 3.7 km in depth
Magnitude uncertainty
±0.93
Depth from
From location
Station coverage gap
168°
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: 171 in the 60 days after this one and 83 in the 30 days before it.

After

The first 60 of 171.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc40133607. Read Mon, Oct 5, 2026, 7:38 AM UTC.