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== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 3:20:34 AM (PDT) on Friday, October 4, 2013.
The magnitude 0.8 event occurred 22 km (13 miles) E (99 degrees) of Coso Junction, CA.
The hypocentral depth is 2 km ( 2 miles).



Magnitude 0.8 - local magnitude (Ml)
Time Friday, October 4, 2013 at 3:20:34 AM (PDT)
Friday, October 4, 2013 at 10:20:34 (UTC)
Distance from Coso Junction, CA - 22 km (13 miles) E (99 degrees)
Olancha, CA - 40 km (25 miles) SE (138 degrees)
Trona, CA - 41 km (26 miles) NW (312 degrees)
Ridgecrest, CA - 44 km (27 miles) N (355 degrees)
Coordinates 36 deg. 0.9 min. N (36.015N), 117 deg. 42.6 min. W (117.710W)
Depth 2.5 km (1.6 miles)
Quality Good
Location Quality Parameters Nst= 10, Nph= 14, Dmin=5 km, Rmss=0.11 sec, Erho=0.4 km, Erzz=0.7 km, Gp=93.6 degrees
Event ID# ci11372906
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