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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 1:26:21 PM (PDT) on Thursday, August 9, 2018.
The magnitude 0.5 event occurred 6 km (3 miles) ENE (69 degrees) of Mammoth Lakes, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 0.5 - duration magnitude (Md)
Time Thursday, August 9, 2018 at 1:26:21 PM (PDT)
Thursday, August 9, 2018 at 20:26:21 (UTC)
Distance from Mammoth Lakes, CA - 6 km (3 miles) ENE (69 degrees)
West Bishop, CA - 52 km (33 miles) NW (309 degrees)
Dixon Lane-Meadow Creek, CA - 54 km (33 miles) NW (304 degrees)
Bishop, CA - 56 km (35 miles) NW (305 degrees)
Yosemite Valley, CA - 59 km (36 miles) E (99 degrees)
Coordinates 37 deg. 39.3 min. N (37.655N), 118 deg. 55.2 min. W (118.919W)
Depth 1.07 km (0.7 miles)
Quality Good
Location Quality Parameters Nst=10, Nph=12, Dmin=1.2 km, Rmss=0.04 sec, Erho=0.54 km, Erzz=0.75 km, Gp=145 degrees
Event ID# nc73067030
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