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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 7:48:21 AM (PDT) on Friday, May 3, 2013.
The magnitude 2.5 event occurred 16 km (10 miles) SSE of Laytonville, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 2.5 - duration magnitude (Md)
Time Friday, May 3, 2013 at 7:48:21 AM (PDT)
Friday, May 3, 2013 at 14:48:21 (UTC)
Distance from Laytonville, CA - 16 km (10 miles) SSE (152 degrees)
Willits, CA - 17 km (11 miles) N (349 degrees)
Covelo, CA - 29 km (18 miles) SSW (206 degrees)
Fort Bragg, CA - 37 km (23 miles) ENE (70 degrees)
Coordinates 39 deg. 33.7 min. N (39.562N), 123 deg. 23.6 min. W (123.393W)
Depth 7.8 km (4.8 miles)
Quality Good
Location Quality Parameters Nst= 45, Nph= 45, Dmin=9 km, Rmss=0.09 sec, Erho=0.1 km, Erzz=0.4 km, Gp=79.2 degrees
Event ID# nc71984721
Additional Information map || waveforms
   Waveforms
NCSS First Motion Mechanism 1

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