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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 3:15:35 AM (PDT) on Wednesday, May 16, 2018.
The magnitude 1.4 event occurred 26 km (16 miles) NW of Parkfield, CA.
The hypocentral depth is 2 km ( 2 miles).



Magnitude 1.4 - duration magnitude (Md)
Time Wednesday, May 16, 2018 at 3:15:35 AM (PDT)
Wednesday, May 16, 2018 at 10:15:35 (UTC)
Distance from Parkfield, CA - 26 km (16 miles) NW (313 degrees)
Coalinga, CA - 27 km (17 miles) WSW (249 degrees)
San Miguel, CA - 34 km (21 miles) N (8 degrees)
Lake Nacimiento, CA - 42 km (26 miles) NNE (31 degrees)
Avenal, CA - 46 km (29 miles) W (277 degrees)
Coordinates 36 deg. 3.3 min. N (36.055N), 120 deg. 38.5 min. W (120.641W)
Depth 2.46 km (1.5 miles)
Quality Good
Location Quality Parameters Nst=35, Nph=40, Dmin=4.3 km, Rmss=0.08 sec, Erho=0.38 km, Erzz=0.88 km, Gp=155 degrees
Event ID# nc73016675
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