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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:15:55 AM (PDT) on Friday, October 12, 2018.
The magnitude 1.6 event occurred 7 km (4 miles) NE (41 degrees) of Rohnert Park, CA.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 1.6 - duration magnitude (Md)
Time Friday, October 12, 2018 at 8:15:55 AM (PDT)
Friday, October 12, 2018 at 15:15:55 (UTC)
Distance from Rohnert Park, CA - 7 km (4 miles) NE (41 degrees)
Roseland, CA - 8 km (5 miles) ESE (121 degrees)
Cotati, CA - 8 km (5 miles) NE (37 degrees)
Santa Rosa, CA - 8 km (5 miles) SE (146 degrees)
Penngrove, CA - 10 km (6 miles) N (8 degrees)
Coordinates 38 deg. 23.2 min. N (38.386N), 122 deg. 39.0 min. W (122.650W)
Depth 9.53 km (5.9 miles)
Quality Excellent
Location Quality Parameters Nst=28, Nph=32, Dmin=7.3 km, Rmss=0.05 sec, Erho=0.16 km, Erzz=0.34 km, Gp=53 degrees
Event ID# nc73096416
Additional Information map || waveforms
  

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