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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 3:07:19 AM (PDT) on Friday, July 31, 2020.
The magnitude 0.7 event occurred 8 km (5 miles) E (95 degrees) of Mammoth Lakes, CA.
The hypocentral depth is 5 km ( 3 miles).



Magnitude 0.7 - duration magnitude (Md)
Time Friday, July 31, 2020 at 3:07:19 AM (PDT)
Friday, July 31, 2020 at 10:07:19 (UTC)
Distance from Mammoth Lakes, CA - 8 km (5 miles) E (95 degrees)
West Bishop, CA - 49 km (30 miles) NW (308 degrees)
Dixon Lane-Meadow Creek, CA - 50 km (31 miles) WNW (303 degrees)
Bishop, CA - 53 km (33 miles) NW (304 degrees)
Yosemite Valley, CA - 62 km (38 miles) E (101 degrees)
Coordinates 37 deg. 37.8 min. N (37.631N), 118 deg. 53.4 min. W (118.890W)
Depth 5.32 km (3.3 miles)
Quality Good
Location Quality Parameters Nst=17, Nph=18, Dmin=1.2 km, Rmss=0.06 sec, Erho=0.4 km, Erzz=0.69 km, Gp=93 degrees
Event ID# nc73436386
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