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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 4:12:08 AM (PST) on Tuesday, February 11, 2020.
The magnitude 0.3 event occurred 2 km (2 miles) ENE (62 degrees) of Mammoth Lakes, CA.
The hypocentral depth is 4 km ( 3 miles).



Magnitude 0.3 - duration magnitude (Md)
Time Tuesday, February 11, 2020 at 4:12:08 AM (PST)
Tuesday, February 11, 2020 at 12:12:08 (UTC)
Distance from Mammoth Lakes, CA - 2 km (2 miles) ENE (62 degrees)
West Bishop, CA - 54 km (34 miles) NW (306 degrees)
Yosemite Valley, CA - 56 km (35 miles) E (101 degrees)
Dixon Lane-Meadow Creek, CA - 56 km (35 miles) WNW (302 degrees)
Bishop, CA - 58 km (36 miles) WNW (303 degrees)
Coordinates 37 deg. 38.8 min. N (37.647N), 118 deg. 57.3 min. W (118.954W)
Depth 4.38 km (2.7 miles)
Quality Good
Location Quality Parameters Nst=14, Nph=16, Dmin=2.5 km, Rmss=0.05 sec, Erho=0.48 km, Erzz=0.88 km, Gp=100 degrees
Event ID# nc73338266
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