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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 9:31:06 AM (PDT) on Monday, September 30, 2013.
The magnitude 0.4 event occurred 6 km (4 miles) SE of Coso Junction, CA.
The hypocentral depth is 4 km ( 3 miles).



Magnitude 0.4 - local magnitude (Ml)
Time Monday, September 30, 2013 at 9:31:06 AM (PDT)
Monday, September 30, 2013 at 16:31:06 (UTC)
Distance from Coso Junction, CA - 6 km (4 miles) SE (134 degrees)
Olancha, CA - 32 km (20 miles) SSE (163 degrees)
Ridgecrest, CA - 48 km (30 miles) NNW (334 degrees)
Trona, CA - 55 km (34 miles) WNW (299 degrees)
Coordinates 36 deg. 0.6 min. N (36.009N), 117 deg. 54.2 min. W (117.903W)
Depth 4.4 km (2.7 miles)
Quality Good
Location Quality Parameters Nst= 8, Nph= 12, Dmin=1 km, Rmss=0.08 sec, Erho=0.5 km, Erzz=0.6 km, Gp=151.2 degrees
Event ID# ci11371746
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