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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 4:15:32 AM (PDT) on Thursday, July 12, 2018.
The magnitude 1.5 event occurred 7 km (4 miles) NNE (21 degrees) of East Foothills, CA.
The hypocentral depth is 7 km ( 4 miles).



Magnitude 1.5 - duration magnitude (Md)
Time Thursday, July 12, 2018 at 4:15:32 AM (PDT)
Thursday, July 12, 2018 at 11:15:32 (UTC)
Distance from East Foothills, CA - 7 km (4 miles) NNE (21 degrees)
Alum Rock, CA - 9 km (5 miles) NNE (23 degrees)
Milpitas, CA - 10 km (6 miles) E (84 degrees)
San Jose, CA - 14 km (9 miles) NE (40 degrees)
Buena Vista, CA - 17 km (11 miles) NE (41 degrees)
Coordinates 37 deg. 26.3 min. N (37.438N), 121 deg. 47.4 min. W (121.790W)
Depth 6.54 km (4.1 miles)
Quality Excellent
Location Quality Parameters Nst=39, Nph=43, Dmin=1.6 km, Rmss=0.06 sec, Erho=0.14 km, Erzz=0.2 km, Gp=53 degrees
Event ID# nc73043771
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