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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake earthquake occurred at 7:08:18 AM (PDT) on Friday, July 31, 2020.
The magnitude -0.2 event occurred 8 km (5 miles) E of Mammoth Lakes, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude -0.2 - duration magnitude (Md)
Time Friday, July 31, 2020 at 7:08:18 AM (PDT)
Friday, July 31, 2020 at 14:08:18 (UTC)
Distance from Mammoth Lakes, CA - 8 km (5 miles) E (100 degrees)
West Bishop, CA - 48 km (30 miles) NW (308 degrees)
Dixon Lane-Meadow Creek, CA - 49 km (31 miles) WNW (303 degrees)
Bishop, CA - 52 km (32 miles) NW (304 degrees)
Yosemite Valley, CA - 62 km (39 miles) ESE (102 degrees)
Coordinates 37 deg. 37.5 min. N (37.624N), 118 deg. 53.2 min. W (118.886W)
Depth 1.75 km (1.1 miles)
Quality Good
Location Quality Parameters Nst=7, Nph=8, Dmin=2.1 km, Rmss=0.04 sec, Erho=0.47 km, Erzz=0.93 km, Gp=116 degrees
Event ID# nc73436456
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