== 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 11:39:35 AM (PDT) on Monday, May 4, 2009.
The magnitude 1.4 event occurred 22 km (14 miles) NNE of Trona, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.4 - local magnitude (ML)
Time Monday, May 4, 2009 at 11:39:35 AM (PDT)
Monday, May 4, 2009 at 18:39:35 (UTC)
Distance from Trona, CA - 22 km (14 miles) NNE (13 degrees)
Searles Valley, CA - 23 km (14 miles) NNE (16 degrees)
Telescope Peak, CA - 31 km (19 miles) SW (221 degrees)
Ridgecrest, CA - 50 km (31 miles) NE (41 degrees)
Las Vegas, NV - 190 km (118 miles) W (263 degrees)
Coordinates 35 deg. 57.6 min. N (35.960N), 117 deg. 18.8 min. W (117.313W)
Depth 1.9 km (1.2 miles)
Location Quality Good
Location Quality Parameters Nst= 33, Nph= 33, Dmin=8 km, Rmss=0.22 sec, Erho=0.3 km, Erzz=0.7 km, Gp=68.4 degrees
Event ID# ci10404905
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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