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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 4:08:29 PM (PST) on Wednesday, February 12, 2020.
The magnitude 2.1 event occurred 14 km (9 miles) S of Mammoth Lakes, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 2.1 - duration magnitude (Md)
Time Wednesday, February 12, 2020 at 4:08:29 PM (PST)
Thursday, February 13, 2020 at 0:08:29 (UTC)
Distance from Mammoth Lakes, CA - 14 km (9 miles) S (185 degrees)
West Bishop, CA - 50 km (31 miles) WNW (289 degrees)
Dixon Lane-Meadow Creek, CA - 53 km (33 miles) WNW (285 degrees)
Bishop, CA - 55 km (34 miles) WNW (287 degrees)
Yosemite Valley, CA - 57 km (36 miles) ESE (116 degrees)
Coordinates 37 deg. 30.6 min. N (37.510N), 118 deg. 59.6 min. W (118.994W)
Depth 3.37 km (2.1 miles)
Quality Good
Location Quality Parameters Nst=31, Nph=35, Dmin=11.5 km, Rmss=0.06 sec, Erho=0.23 km, Erzz=1.12 km, Gp=112 degrees
Event ID# nc73340275
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