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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 earthquake occurred at 2:43:16 AM (PDT) on Tuesday, October 9, 2018.
The magnitude -0.2 event occurred 28 km (17 miles) NW of Chester, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude -0.2 - duration magnitude (Md)
Time Tuesday, October 9, 2018 at 2:43:16 AM (PDT)
Tuesday, October 9, 2018 at 9:43:16 (UTC)
Distance from Chester, CA - 28 km (17 miles) NW (312 degrees)
Shingletown, CA - 35 km (22 miles) E (93 degrees)
Burney, CA - 48 km (30 miles) SSE (161 degrees)
Greenville, CA - 58 km (36 miles) NW (310 degrees)
Palo Cedro, CA - 65 km (40 miles) E (99 degrees)
Coordinates 40 deg. 28.5 min. N (40.475N), 121 deg. 28.8 min. W (121.480W)
Depth 1.87 km (1.2 miles)
Quality Fair
Location Quality Parameters Nst=5, Nph=9, Dmin=1.8 km, Rmss=0.07 sec, Erho=0.54 km, Erzz=0.33 km, Gp=192 degrees
Event ID# nc73095921
Additional Information map || waveforms
  

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