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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #668695: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 3:49:10 AM (PST) on Thursday, December 6, 2018.
The magnitude 2.0 event occurred 15 km (9 miles) NNE (31 degrees) of East Quincy, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 2.0 - local magnitude (Ml)
Time Thursday, December 6, 2018 at 3:49:10 AM (PST)
Thursday, December 6, 2018 at 11:49:10 (UTC)
Distance from East Quincy, CA - 15 km (9 miles) NNE (31 degrees)
Greenville, CA - 16 km (10 miles) SE (130 degrees)
Quincy, CA - 17 km (11 miles) NE (44 degrees)
Janesville, CA - 37 km (23 miles) SW (221 degrees)
Portola, CA - 39 km (24 miles) NW (313 degrees)
Coordinates 40 deg. 2.9 min. N (40.049N), 120 deg. 48.5 min. W (120.808W)
Depth 3.47 km (2.2 miles)
Quality Good
Location Quality Parameters Nst=17, Nph=22, Dmin=6.9 km, Rmss=0.15 sec, Erho=0.46 km, Erzz=0.92 km, Gp=122.93 degrees
Event ID# nc73119546
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