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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 4:21:03 PM (PDT) on Wednesday, July 11, 2018.
The magnitude 1.0 event occurred 5 km (3 miles) SSW of Ridgemark, CA.
The hypocentral depth is 9 km ( 6 miles).



Magnitude 1.0 - duration magnitude (Md)
Time Wednesday, July 11, 2018 at 4:21:03 PM (PDT)
Wednesday, July 11, 2018 at 23:21:03 (UTC)
Distance from Ridgemark, CA - 5 km (3 miles) SSW (199 degrees)
Hollister, CA - 9 km (6 miles) S (173 degrees)
San Juan Bautista, CA - 16 km (10 miles) ESE (123 degrees)
Salinas, CA - 25 km (15 miles) ENE (68 degrees)
Chualar, CA - 25 km (15 miles) NNE (28 degrees)
Coordinates 36 deg. 46.0 min. N (36.767N), 121 deg. 23.1 min. W (121.386W)
Depth 9.34 km (5.8 miles)
Quality Excellent
Location Quality Parameters Nst=13, Nph=15, Dmin=3.4 km, Rmss=0.05 sec, Erho=0.28 km, Erzz=0.48 km, Gp=88 degrees
Event ID# nc73043326
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