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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 1:00:13 AM (PDT) on Saturday, May 4, 2013.
The magnitude 1.2 event occurred 18 km (11 miles) E (96 degrees) of Ridgecrest, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 1.2 - local magnitude (Ml)
Time Saturday, May 4, 2013 at 1:00:13 AM (PDT)
Saturday, May 4, 2013 at 8:00:13 (UTC)
Distance from Ridgecrest, CA - 18 km (11 miles) E (96 degrees)
Trona, CA - 20 km (13 miles) SSW (206 degrees)
Goldstone Lake, CA - 60 km (37 miles) WNW (298 degrees)
Coso Junction, CA - 65 km (41 miles) SE (138 degrees)
Coordinates 35 deg. 36.2 min. N (35.603N), 117 deg. 28.1 min. W (117.468W)
Depth 6.2 km (3.9 miles)
Quality Good
Location Quality Parameters Nst= 15, Nph= 22, Dmin=2 km, Rmss=0.22 sec, Erho=0.5 km, Erzz=0.8 km, Gp=118.8 degrees
Event ID# ci37113756
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