== 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 10:13:34 PM (PDT) on Thursday, May 7, 2009.
The magnitude 0.9 event occurred 22 km (14 miles) N of Trona, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 0.9 - local magnitude (ML)
Time Thursday, May 7, 2009 at 10:13:34 PM (PDT)
Friday, May 8, 2009 at 5:13:34 (UTC)
Distance from Trona, CA - 22 km (14 miles) N (10 degrees)
Searles Valley, CA - 23 km (14 miles) NNE (13 degrees)
Telescope Peak, CA - 31 km (19 miles) SW (224 degrees)
Ridgecrest, CA - 50 km (31 miles) NE (39 degrees)
Las Vegas, NV - 191 km (119 miles) W (263 degrees)
Coordinates 35 deg. 57.9 min. N (35.965N), 117 deg. 19.6 min. W (117.327W)
Depth 5.2 km (3.2 miles)
Location Quality Good
Location Quality Parameters Nst= 16, Nph= 16, Dmin=9 km, Rmss=0.14 sec, Erho=0.5 km, Erzz=1 km, Gp=118.8 degrees
Event ID# ci10406273
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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