== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR

Version #O: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A minor earthquake occurred at 10:09:39 AM (PDT) on Thursday, October 30, 2008.
The magnitude 3.1 event occurred 9 km (6 miles) ESE of Anza, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 3.1 - local magnitude (ML)
Time Thursday, October 30, 2008 at 10:09:39 AM (PDT)
Thursday, October 30, 2008 at 17:09:39 (UTC)
Distance from Anza, CA - 9 km (6 miles) ESE (102 degrees)
Idyllwild, CA - 26 km (16 miles) SSE (151 degrees)
Palm Desert, CA - 28 km (18 miles) SW (223 degrees)
Palm Springs, CA - 32 km (20 miles) S (188 degrees)
San Diego, CA - 100 km (62 miles) NNE (32 degrees)
Coordinates 33 deg. 32.3 min. N (33.539N), 116 deg. 34.7 min. W (116.578W)
Depth 13 km (8.1 miles)
Location Quality Good
Location Quality Parameters Nst=094, Nph=094, Dmin=4 km, Rmss=0.22 sec, Erho=0.2 km, Erzz=0.3 km, Gp=32.4 degrees
Event ID# ci10357093
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)
Waveforms
24-hour Aftershock Forecast Map

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For more information, see http://earthquake.usgs.gov/regional/sca/ || Contacts

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