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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 5:58:35 PM (PST) on Wednesday, November 7, 2018.
The magnitude 2.8 event occurred 6 km (4 miles) WNW of Mountain House, CA.
The hypocentral depth is 16 km (10 miles).



Magnitude 2.8 - duration magnitude (Md)
Time Wednesday, November 7, 2018 at 5:58:35 PM (PST)
Thursday, November 8, 2018 at 1:58:35 (UTC)
Distance from Mountain House, CA - 6 km (4 miles) WNW (282 degrees)
Byron, CA - 8 km (5 miles) SSE (164 degrees)
Discovery Bay, CA - 13 km (8 miles) S (185 degrees)
Brentwood, CA - 18 km (11 miles) SE (146 degrees)
Tracy, CA - 18 km (11 miles) WNW (291 degrees)
Coordinates 37 deg. 47.7 min. N (37.795N), 121 deg. 36.7 min. W (121.612W)
Depth 15.61 km (9.7 miles)
Quality Excellent
Location Quality Parameters Nst=87, Nph=87, Dmin=3.6 km, Rmss=0.14 sec, Erho=0.17 km, Erzz=0.26 km, Gp=37 degrees
Event ID# nc73108236
Additional Information map || waveforms
  

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