== 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 3:21:13 AM (PDT) on Thursday, May 7, 2009.
The magnitude 0.9 event occurred 12 km (7 miles) SSW of Morongo Valley, CA.
The hypocentral depth is 17 km (10 miles).


Magnitude 0.9 - local magnitude (ML)
Time Thursday, May 7, 2009 at 3:21:13 AM (PDT)
Thursday, May 7, 2009 at 10:21:13 (UTC)
Distance from Morongo Valley, CA - 12 km (7 miles) SSW (204 degrees)
Desert Hot Springs, CA - 12 km (7 miles) W (268 degrees)
Cabazon, CA - 13 km (8 miles) ENE (66 degrees)
Palm Springs, CA - 18 km (11 miles) NNW (327 degrees)
San Diego, CA - 139 km (87 miles) NNE (20 degrees)
Coordinates 33 deg. 57.4 min. N (33.957N), 116 deg. 38.0 min. W (116.634W)
Depth 16.6 km (10.3 miles)
Location Quality Good
Location Quality Parameters Nst= 51, Nph= 51, Dmin=6 km, Rmss=0.14 sec, Erho=0.4 km, Erzz=0.7 km, Gp=136.8 degrees
Event ID# ci10405977
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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