== 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 4:35:37 PM (PDT) on Monday, May 4, 2009.
The magnitude 1.6 event occurred 4 km (2 miles) NNW of Boron, CA.
The hypocentral depth is 0 km (0.0 miles).


Magnitude 1.6 - local magnitude (ML)
Time Monday, May 4, 2009 at 4:35:37 PM (PDT)
Monday, May 4, 2009 at 23:35:37 (UTC)
Distance from Boron, CA - 4 km (2 miles) NNW (347 degrees)
North Edwards, CA - 13 km (8 miles) E (92 degrees)
California City, CA - 22 km (14 miles) SE (124 degrees)
Lancaster, CA - 60 km (37 miles) NE (48 degrees)
Los Angeles Civic Center, CA - 122 km (76 miles) NNE (25 degrees)
Coordinates 35 deg. 2.8 min. N (35.047N), 117 deg. 40.2 min. W (117.669W)
Depth 0 km (0.0 miles)
Location Quality Fair
Location Quality Parameters Nst=025, Nph=025, Dmin=13 km, Rmss=0.13 sec, Erho=0.4 km, Erzz=31.6 km, Gp=72 degrees
Event ID# ci10405033
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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