== 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 2:41:12 AM (PDT) on Monday, May 4, 2009.
The magnitude 0.9 event occurred 13 km (8 miles) NE of Borrego Springs, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.9 - local magnitude (ML)
Time Monday, May 4, 2009 at 2:41:12 AM (PDT)
Monday, May 4, 2009 at 9:41:12 (UTC)
Distance from Borrego Springs, CA - 13 km (8 miles) NE (52 degrees)
Ocotillo Wells, CA - 23 km (14 miles) NNW (328 degrees)
Desert Shores, CA - 23 km (14 miles) WSW (246 degrees)
Palm Springs, CA - 61 km (38 miles) SSE (156 degrees)
San Diego, CA - 102 km (63 miles) NE (54 degrees)
Coordinates 33 deg. 19.2 min. N (33.320N), 116 deg. 15.7 min. W (116.262W)
Depth 5.6 km (3.5 miles)
Location Quality Poor
Location Quality Parameters Nst= 33, Nph= 33, Dmin=16 km, Rmss=0.2 sec, Erho=0.6 km, Erzz=31.6 km, Gp=223.2 degrees
Event ID# ci10119202
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)

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

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