California earthquakes

M1.7 earthquake 9km S of Idyllwild, CA

A magnitude 1.7 earthquake struck 9km S of Idyllwild, CA on Mon, Jul 1, 2002, 8:12 PM PDT (03:12 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.7 7km SSW of Devore, 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
1.7 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-07-02 03:12:29 UTC
Depth
15.9 km (9.9 mi), shallow
Epicenter
33.660° N, 116.725° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
43°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 158 in the 60 days after this one and 116 in the 30 days before it.

After

The first 60 of 158.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9796621. Read Sun, Oct 4, 2026, 9:56 PM UTC.