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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 1:56:21 AM (PST) on Wednesday, February 14, 2018.
The magnitude 0.3 event occurred 7 km (5 miles) ESE of Mammoth Lakes, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 0.3 - duration magnitude (Md)
Time Wednesday, February 14, 2018 at 1:56:21 AM (PST)
Wednesday, February 14, 2018 at 9:56:21 (UTC)
Distance from Mammoth Lakes, CA - 7 km (5 miles) ESE (103 degrees)
West Bishop, CA - 49 km (30 miles) NW (307 degrees)
Dixon Lane-Meadow Creek, CA - 50 km (31 miles) WNW (302 degrees)
Bishop, CA - 53 km (33 miles) WNW (303 degrees)
Yosemite Valley, CA - 61 km (38 miles) ESE (102 degrees)
Coordinates 37 deg. 37.4 min. N (37.623N), 118 deg. 53.9 min. W (118.898W)
Depth 5.93 km (3.7 miles)
Quality Fair
Location Quality Parameters Nst=9, Nph=9, Dmin=1.9 km, Rmss=0.02 sec, Erho=2.12 km, Erzz=2.61 km, Gp=149 degrees
Event ID# nc72969281
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