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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 2:46:00 PM (PDT) on Friday, July 31, 2020.
The magnitude 1.6 event occurred 10 km (6 miles) WNW of Greenville, CA.
The hypocentral depth is 4 km ( 3 miles).



Magnitude 1.6 - duration magnitude (Md)
Time Friday, July 31, 2020 at 2:46:00 PM (PDT)
Friday, July 31, 2020 at 21:46:00 (UTC)
Distance from Greenville, CA - 10 km (6 miles) WNW (301 degrees)
Chester, CA - 20 km (12 miles) SE (131 degrees)
Quincy, CA - 29 km (18 miles) NNW (342 degrees)
East Quincy, CA - 31 km (19 miles) NNW (335 degrees)
Susanville, CA - 43 km (27 miles) SW (234 degrees)
Coordinates 40 deg. 11.3 min. N (40.188N), 121 deg. 3.4 min. W (121.056W)
Depth 4.14 km (2.6 miles)
Quality Fair
Location Quality Parameters Nst=7, Nph=11, Dmin=33.3 km, Rmss=0.09 sec, Erho=0.35 km, Erzz=2.12 km, Gp=86 degrees
Event ID# nc73436631
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