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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #668708: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 7:11:43 AM (PST) on Thursday, December 6, 2018.
The magnitude 2.4 event occurred 14 km (9 miles) NE (35 degrees) of East Quincy, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 2.4 - local magnitude (Ml)
Time Thursday, December 6, 2018 at 7:11:43 AM (PST)
Thursday, December 6, 2018 at 15:11:43 (UTC)
Distance from East Quincy, CA - 14 km (9 miles) NE (35 degrees)
Quincy, CA - 17 km (10 miles) NE (48 degrees)
Greenville, CA - 17 km (11 miles) SE (131 degrees)
Janesville, CA - 37 km (23 miles) SW (219 degrees)
Portola, CA - 38 km (24 miles) NW (312 degrees)
Coordinates 40 deg. 2.3 min. N (40.038N), 120 deg. 48.1 min. W (120.801W)
Depth 1.71 km (1.1 miles)
Quality Good
Location Quality Parameters Nst=19, Nph=25, Dmin=7.1 km, Rmss=0.09 sec, Erho=0.35 km, Erzz=0.66 km, Gp=132.18 degrees
Event ID# nc73119586
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