California earthquakes

M2.3 earthquake 13 km ENE of Bradley, California

A magnitude 2.3 earthquake struck 13 km ENE of Bradley, California on Tue, Jun 4, 2002, 3:33 PM PDT (22:33 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.4 Central 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
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2002-06-04 22:33:56 UTC
Depth
11.3 km (7.0 mi), shallow
Epicenter
35.928° N, 120.677° 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 0.1 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
26°
Stations used
49

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 172 in the 60 days after this one and 68 in the 30 days before it.

After

The first 60 of 172.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc21228776. Read Mon, Oct 5, 2026, 2:58 AM UTC.