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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 10:47:11 PM (PDT) on Friday, July 31, 2020.
The magnitude 0.8 event occurred 3 km (2 miles) ESE of Mammoth Lakes, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 0.8 - duration magnitude (Md)
Time Friday, July 31, 2020 at 10:47:11 PM (PDT)
Saturday, August 1, 2020 at 5:47:11 (UTC)
Distance from Mammoth Lakes, CA - 3 km (2 miles) ESE (119 degrees)
West Bishop, CA - 53 km (33 miles) NW (304 degrees)
Dixon Lane-Meadow Creek, CA - 54 km (34 miles) WNW (299 degrees)
Yosemite Valley, CA - 56 km (35 miles) ESE (103 degrees)
Bishop, CA - 57 km (36 miles) WNW (301 degrees)
Coordinates 37 deg. 37.5 min. N (37.626N), 118 deg. 57.2 min. W (118.954W)
Depth 5.73 km (3.6 miles)
Quality Good
Location Quality Parameters Nst=16, Nph=19, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.43 km, Erzz=0.88 km, Gp=97 degrees
Event ID# nc73436786
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