== 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 5:58:59 AM (PDT) on Thursday, April 30, 2009.
The magnitude 1.0 event occurred 10 km (6 miles) E of Coso Junction, CA.
The hypocentral depth is 0 km (0.0 miles).


Magnitude 1.0 - local magnitude (ML)
Time Thursday, April 30, 2009 at 5:58:59 AM (PDT)
Thursday, April 30, 2009 at 12:58:59 (UTC)
Distance from Coso Junction, CA - 10 km (6 miles) E (93 degrees)
Olancha, CA - 28 km (18 miles) SSE (150 degrees)
Darwin, CA - 34 km (21 miles) SW (221 degrees)
Ridgecrest, CA - 49 km (30 miles) NNW (342 degrees)
Los Angeles Civic Center, CA - 224 km (139 miles) N (9 degrees)
Coordinates 36 deg. 2.5 min. N (36.041N), 117 deg. 50.4 min. W (117.840W)
Depth 0 km (0.0 miles)
Location Quality Fair
Location Quality Parameters Nst= 10, Nph= 10, Dmin=7 km, Rmss=0.09 sec, Erho=1 km, Erzz=0.8 km, Gp=280.8 degrees
Event ID# ci10402889
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)

Did you feel it? || Shake Map South
For more information, see http://earthquake.usgs.gov/regional/sca/ || Contacts

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