== 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 microearthquake occurred at 8:49:19 PM (PDT) on Monday, August 10, 2009.
The magnitude 0.3 event occurred 21 km (13 miles) E of Anza, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 0.3 - local magnitude (ML)
Time Monday, August 10, 2009 at 8:49:19 PM (PDT)
Tuesday, August 11, 2009 at 3:49:19 (UTC)
Distance from Anza, CA - 21 km (13 miles) E (101 degrees)
La Quinta, CA - 22 km (14 miles) SW (219 degrees)
Palm Desert, CA - 24 km (15 miles) SSW (198 degrees)
Palm Springs, CA - 35 km (21 miles) SSE (168 degrees)
San Diego, CA - 105 km (65 miles) NE (38 degrees)
Coordinates 33 deg. 31.2 min. N (33.520N), 116 deg. 27.0 min. W (116.451W)
Depth 9 km (5.6 miles)
Location Quality Fair
Location Quality Parameters Nst=024, Nph=024, Dmin=2 km, Rmss=0.17 sec, Erho=0.6 km, Erzz=0.8 km, Gp=176.4 degrees
Event ID# ci14498720
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)
Waveforms

Did you feel it? || Shake Map South
For more information, see http://earthquake.usgs.gov/regional/sca/ || Contacts

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