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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 2:08:36 AM (PST) on Thursday, February 13, 2020.
The magnitude 1.9 event occurred 16 km (10 miles) SSE of Ridgemark, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 1.9 - duration magnitude (Md)
Time Thursday, February 13, 2020 at 2:08:36 AM (PST)
Thursday, February 13, 2020 at 10:08:36 (UTC)
Distance from Ridgemark, CA - 16 km (10 miles) SSE (154 degrees)
Hollister, CA - 21 km (13 miles) SSE (151 degrees)
Chualar, CA - 24 km (15 miles) ENE (58 degrees)
Gonzales, CA - 24 km (15 miles) NE (35 degrees)
Soledad, CA - 29 km (18 miles) N (7 degrees)
Coordinates 36 deg. 41.1 min. N (36.685N), 121 deg. 17.3 min. W (121.288W)
Depth 6.2 km (3.9 miles)
Quality Excellent
Location Quality Parameters Nst=42, Nph=47, Dmin=3.4 km, Rmss=0.1 sec, Erho=0.21 km, Erzz=0.59 km, Gp=44 degrees
Event ID# nc73340520
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