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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 9:50:18 PM (PST) on Wednesday, February 12, 2020.
The magnitude 0.8 event occurred 16 km (10 miles) SSE of Ridgemark, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 0.8 - duration magnitude (Md)
Time Wednesday, February 12, 2020 at 9:50:18 PM (PST)
Thursday, February 13, 2020 at 5:50:18 (UTC)
Distance from Ridgemark, CA - 16 km (10 miles) SSE (152 degrees)
Hollister, CA - 21 km (13 miles) SSE (150 degrees)
Chualar, CA - 25 km (15 miles) ENE (59 degrees)
Gonzales, CA - 25 km (15 miles) NE (36 degrees)
Soledad, CA - 29 km (18 miles) N (8 degrees)
Coordinates 36 deg. 41.2 min. N (36.687N), 121 deg. 16.9 min. W (121.281W)
Depth 1.1 km (0.7 miles)
Quality Good
Location Quality Parameters Nst=11, Nph=14, Dmin=2.9 km, Rmss=0.11 sec, Erho=0.45 km, Erzz=1.3 km, Gp=152 degrees
Event ID# nc73340425
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