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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 3:13:21 PM (PDT) on Wednesday, October 10, 2018.
The magnitude 1.4 event occurred 17 km (11 miles) ESE of Livermore, CA.
The hypocentral depth is 5 km ( 3 miles).



Magnitude 1.4 - duration magnitude (Md)
Time Wednesday, October 10, 2018 at 3:13:21 PM (PDT)
Wednesday, October 10, 2018 at 22:13:21 (UTC)
Distance from Livermore, CA - 17 km (11 miles) ESE (118 degrees)
Mountain House, CA - 20 km (12 miles) SSW (194 degrees)
Tracy, CA - 21 km (13 miles) SW (226 degrees)
Pleasanton, CA - 25 km (16 miles) ESE (103 degrees)
Byron, CA - 29 km (18 miles) S (173 degrees)
Coordinates 37 deg. 36.6 min. N (37.609N), 121 deg. 35.9 min. W (121.598W)
Depth 4.89 km (3.0 miles)
Quality Good
Location Quality Parameters Nst=24, Nph=28, Dmin=9.4 km, Rmss=0.07 sec, Erho=0.26 km, Erzz=0.86 km, Gp=101 degrees
Event ID# nc73096001
Additional Information map || waveforms
  

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