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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 3:15:02 AM (PST) on Wednesday, February 12, 2020.
The magnitude 0.5 event occurred 14 km (9 miles) ESE of Mammoth Lakes, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 0.5 - duration magnitude (Md)
Time Wednesday, February 12, 2020 at 3:15:02 AM (PST)
Wednesday, February 12, 2020 at 11:15:02 (UTC)
Distance from Mammoth Lakes, CA - 14 km (9 miles) ESE (113 degrees)
West Bishop, CA - 42 km (26 miles) NW (307 degrees)
Dixon Lane-Meadow Creek, CA - 43 km (27 miles) WNW (301 degrees)
Bishop, CA - 46 km (29 miles) WNW (303 degrees)
Big Pine, CA - 67 km (42 miles) NW (315 degrees)
Coordinates 37 deg. 35.3 min. N (37.589N), 118 deg. 50.1 min. W (118.835W)
Depth 8.15 km (5.1 miles)
Quality Fair
Location Quality Parameters Nst=8, Nph=12, Dmin=4.1 km, Rmss=0.03 sec, Erho=1.27 km, Erzz=0.46 km, Gp=314 degrees
Event ID# nc73340085
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