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

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

A microearthquake occurred at 4:10:55 AM (PDT) on Tuesday, May 5, 2009.
The magnitude 1.4 event occurred 23 km (14 miles) N of Borrego Springs, CA.
The hypocentral depth is 15 km ( 9 miles).


Magnitude 1.4 - local magnitude (ML)
Time Tuesday, May 5, 2009 at 4:10:55 AM (PDT)
Tuesday, May 5, 2009 at 11:10:55 (UTC)
Distance from Borrego Springs, CA - 23 km (14 miles) N (354 degrees)
La Quinta, CA - 26 km (16 miles) SSW (201 degrees)
Anza, CA - 28 km (17 miles) ESE (114 degrees)
Palm Springs, CA - 43 km (27 miles) SSE (164 degrees)
San Diego, CA - 102 km (64 miles) NE (43 degrees)
Coordinates 33 deg. 27.2 min. N (33.453N), 116 deg. 24.0 min. W (116.400W)
Depth 15 km (9.3 miles)
Location Quality Good
Location Quality Parameters Nst= 64, Nph= 64, Dmin=8 km, Rmss=0.24 sec, Erho=0.3 km, Erzz=0.5 km, Gp=61.2 degrees
Event ID# ci10405201
Additional Information 2-degree map
Google Earth KML (Requires Google Earth.)
Waveforms

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

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