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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 4:31:33 AM (PDT) on Wednesday, October 10, 2018.
The magnitude 0.5 event occurred 8 km (5 miles) E (83 degrees) of Mammoth Lakes, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 0.5 - duration magnitude (Md)
Time Wednesday, October 10, 2018 at 4:31:33 AM (PDT)
Wednesday, October 10, 2018 at 11:31:33 (UTC)
Distance from Mammoth Lakes, CA - 8 km (5 miles) E (83 degrees)
West Bishop, CA - 50 km (31 miles) NW (310 degrees)
Dixon Lane-Meadow Creek, CA - 51 km (32 miles) NW (305 degrees)
Bishop, CA - 54 km (33 miles) NW (306 degrees)
Yosemite Valley, CA - 61 km (38 miles) E (100 degrees)
Coordinates 37 deg. 38.7 min. N (37.645N), 118 deg. 53.5 min. W (118.892W)
Depth 2.68 km (1.7 miles)
Quality Good
Location Quality Parameters Nst=11, Nph=14, Dmin=0.5 km, Rmss=0.06 sec, Erho=0.57 km, Erzz=0.65 km, Gp=111 degrees
Event ID# nc73095761
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