California earthquakes

M2.5 earthquake 15km SE of Anza, CA

A magnitude 2.5 earthquake struck 15km SE of Anza, CA on Mon, Jun 17, 2002, 11:36 AM PDT (18:36 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.3 9km NW of Morongo Valley, CA. 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
2.5 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-06-17 18:36:48 UTC
Depth
10.6 km (6.6 mi), shallow
Epicenter
33.479° N, 116.544° 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
±0.31
Depth from
From location
Station coverage gap
29°
Stations used
58

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 163 in the 60 days after this one and 128 in the 30 days before it.

After

The first 60 of 163.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9792521. Read Mon, Oct 5, 2026, 7:38 AM UTC.