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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:15:38 AM (PDT) on Friday, May 3, 2013.
The magnitude 2.0 event occurred 22 km (14 miles) SW of New Idria, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 2.0 - duration magnitude (Md)
Time Friday, May 3, 2013 at 8:15:38 AM (PDT)
Friday, May 3, 2013 at 15:15:38 (UTC)
Distance from New Idria, CA - 22 km (14 miles) SW (214 degrees)
San Ardo, CA - 27 km (17 miles) NNE (17 degrees)
King City, CA - 28 km (18 miles) E (82 degrees)
Greenfield, CA - 39 km (24 miles) E (101 degrees)
Coordinates 36 deg. 15.0 min. N (36.249N), 120 deg. 48.8 min. W (120.814W)
Depth 7.9 km (4.9 miles)
Quality Good
Location Quality Parameters Nst= 71, Nph= 71, Dmin=4 km, Rmss=0.11 sec, Erho=0.2 km, Erzz=0.3 km, Gp=111.6 degrees
Event ID# nc71984731
Additional Information map || waveforms
   Waveforms
NCSS First Motion Mechanism 1

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