California earthquakes

M1.6 earthquake 9km SE of Buttonwillow, California

A magnitude 1.6 earthquake struck 9km SE of Buttonwillow, California on Tue, Feb 19, 2002, 3:25 PM PST (23:25 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.7 14km NW of Tehachapi, CA. 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
1.6 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-02-19 23:25:45 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
35.341° N, 119.406° 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 1.6 km horizontally, 23.8 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
155°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 31 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci12455748. Read Sun, Oct 4, 2026, 8:50 PM UTC.