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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 2:39:12 PM (PST) on Friday, February 14, 2020.
The magnitude 1.4 event occurred 12 km (7 miles) S of Mammoth Lakes, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 1.4 - duration magnitude (Md)
Time Friday, February 14, 2020 at 2:39:12 PM (PST)
Friday, February 14, 2020 at 22:39:12 (UTC)
Distance from Mammoth Lakes, CA - 12 km (7 miles) S (178 degrees)
West Bishop, CA - 50 km (31 miles) WNW (293 degrees)
Dixon Lane-Meadow Creek, CA - 52 km (32 miles) WNW (288 degrees)
Bishop, CA - 54 km (34 miles) WNW (290 degrees)
Yosemite Valley, CA - 58 km (36 miles) ESE (113 degrees)
Coordinates 37 deg. 31.9 min. N (37.531N), 118 deg. 58.4 min. W (118.974W)
Depth 7.69 km (4.8 miles)
Quality Good
Location Quality Parameters Nst=24, Nph=28, Dmin=9.6 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.75 km, Gp=109 degrees
Event ID# nc73341155
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