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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 4:59:16 AM (PDT) on Thursday, July 12, 2018.
The magnitude 0.8 event occurred 21 km (13 miles) WSW of Mammoth Lakes, CA.
The hypocentral depth is 15 km ( 9 miles).



Magnitude 0.8 - duration magnitude (Md)
Time Thursday, July 12, 2018 at 4:59:16 AM (PDT)
Thursday, July 12, 2018 at 11:59:16 (UTC)
Distance from Mammoth Lakes, CA - 21 km (13 miles) WSW (258 degrees)
Yosemite Valley, CA - 36 km (22 miles) ESE (116 degrees)
Oakhurst, CA - 49 km (30 miles) NE (52 degrees)
Ahwahnee, CA - 52 km (32 miles) ENE (60 degrees)
Coarsegold, CA - 57 km (36 miles) NE (49 degrees)
Coordinates 37 deg. 35.9 min. N (37.599N), 119 deg. 12.7 min. W (119.212W)
Depth 14.51 km (9.0 miles)
Quality Fair
Location Quality Parameters Nst=11, Nph=17, Dmin=12.3 km, Rmss=0.18 sec, Erho=1.89 km, Erzz=1.4 km, Gp=320 degrees
Event ID# nc73043796
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