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== PRELIMINARY EARTHQUAKE REPORT ==

Seismological Laboratory, University of Nevada, Reno



Version #668727: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:42:38 PM (PST) on Wednesday, December 5, 2018.
The magnitude 1.6 event occurred 12 km (7 miles) NE (48 degrees) of East Quincy, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 1.6 - local magnitude (Ml)
Time Wednesday, December 5, 2018 at 4:42:38 PM (PST)
Thursday, December 6, 2018 at 0:42:38 (UTC)
Distance from East Quincy, CA - 12 km (7 miles) NE (48 degrees)
Quincy, CA - 15 km (9 miles) ENE (60 degrees)
Greenville, CA - 20 km (12 miles) SE (138 degrees)
Portola, CA - 35 km (22 miles) NW (308 degrees)
Janesville, CA - 40 km (25 miles) SW (215 degrees)
Coordinates 40 deg. 0.3 min. N (40.005N), 120 deg. 47.7 min. W (120.795W)
Depth 1.2 km (0.7 miles)
Quality Good
Location Quality Parameters Nst=10, Nph=18, Dmin=8.9 km, Rmss=0.2076 sec, Erho=0 km, Erzz=2.5 km, Gp=131.55 degrees
Event ID# nn00668727
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