== 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 7:17:49 PM (PDT) on Monday, May 4, 2009.
The magnitude 1.3 event occurred 13 km (8 miles) ESE of Coso Junction, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.3 - local magnitude (ML)
Time Monday, May 4, 2009 at 7:17:49 PM (PDT)
Tuesday, May 5, 2009 at 2:17:49 (UTC)
Distance from Coso Junction, CA - 13 km (8 miles) ESE (104 degrees)
Olancha, CA - 33 km (20 miles) SSE (147 degrees)
Darwin, CA - 34 km (21 miles) SW (214 degrees)
Ridgecrest, CA - 45 km (28 miles) NNW (345 degrees)
Los Angeles Civic Center, CA - 222 km (138 miles) N (10 degrees)
Coordinates 36 deg. 1.0 min. N (36.016N), 117 deg. 48.2 min. W (117.803W)
Depth 1 km (0.6 miles)
Location Quality Good
Location Quality Parameters Nst= 26, Nph= 26, Dmin=3 km, Rmss=0.15 sec, Erho=0.3 km, Erzz=0.6 km, Gp=72 degrees
Event ID# ci10405081
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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