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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, 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 0:33:10 AM (PST) on Thursday, December 6, 2018.
The magnitude 0.6 event occurred 25 km (16 miles) NE (42 degrees) of Soledad, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 0.6 - duration magnitude (Md)
Time Thursday, December 6, 2018 at 0:33:10 AM (PST)
Thursday, December 6, 2018 at 8:33:10 (UTC)
Distance from Soledad, CA - 25 km (16 miles) NE (42 degrees)
Gonzales, CA - 29 km (18 miles) ENE (71 degrees)
Greenfield, CA - 32 km (20 miles) NNE (17 degrees)
Ridgemark, CA - 32 km (20 miles) SE (140 degrees)
Chualar, CA - 34 km (21 miles) E (86 degrees)
Coordinates 36 deg. 35.5 min. N (36.592N), 121 deg. 8.3 min. W (121.138W)
Depth 8.2 km (5.1 miles)
Quality Fair
Location Quality Parameters Nst=6, Nph=8, Dmin=4.3 km, Rmss=0.05 sec, Erho=0.89 km, Erzz=1 km, Gp=181 degrees
Event ID# nc73119516
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