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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 5:39:15 AM (PDT) on Wednesday, October 10, 2018.
The magnitude 0.8 event occurred 10 km (6 miles) ENE (64 degrees) of Milpitas, CA.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 0.8 - duration magnitude (Md)
Time Wednesday, October 10, 2018 at 5:39:15 AM (PDT)
Wednesday, October 10, 2018 at 12:39:15 (UTC)
Distance from Milpitas, CA - 10 km (6 miles) ENE (64 degrees)
East Foothills, CA - 10 km (6 miles) N (8 degrees)
Alum Rock, CA - 12 km (7 miles) N (11 degrees)
San Jose, CA - 17 km (10 miles) NNE (29 degrees)
Fremont, CA - 18 km (11 miles) ESE (117 degrees)
Coordinates 37 deg. 28.2 min. N (37.470N), 121 deg. 48.1 min. W (121.801W)
Depth 9.59 km (6.0 miles)
Quality Excellent
Location Quality Parameters Nst=19, Nph=22, Dmin=2.1 km, Rmss=0.04 sec, Erho=0.5 km, Erzz=0.29 km, Gp=72 degrees
Event ID# nc73095796
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