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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:32:37 PM (PST) on Thursday, February 13, 2020.
The magnitude 0.8 event occurred 25 km (15 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.8 - duration magnitude (Md)
Time Thursday, February 13, 2020 at 4:32:37 PM (PST)
Friday, February 14, 2020 at 0:32:37 (UTC)
Distance from Mammoth Lakes, CA - 25 km (15 miles) SE (136 degrees)
West Bishop, CA - 32 km (20 miles) WNW (294 degrees)
Dixon Lane-Meadow Creek, CA - 34 km (21 miles) WNW (287 degrees)
Bishop, CA - 37 km (23 miles) WNW (290 degrees)
Big Pine, CA - 56 km (35 miles) NW (309 degrees)
Coordinates 37 deg. 28.6 min. N (37.477N), 118 deg. 47.1 min. W (118.784W)
Depth 1.93 km (1.2 miles)
Quality Fair
Location Quality Parameters Nst=16, Nph=18, Dmin=10.6 km, Rmss=0.05 sec, Erho=0.99 km, Erzz=2.57 km, Gp=238 degrees
Event ID# nc73340840
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