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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:54:58 AM (PST) on Thursday, February 13, 2020.
The magnitude 0.7 event occurred 22 km (13 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 0.7 - duration magnitude (Md)
Time Thursday, February 13, 2020 at 10:54:58 AM (PST)
Thursday, February 13, 2020 at 18:54:58 (UTC)
Distance from Mammoth Lakes, CA - 22 km (13 miles) SSE (148 degrees)
West Bishop, CA - 37 km (23 miles) WNW (290 degrees)
Dixon Lane-Meadow Creek, CA - 39 km (24 miles) WNW (284 degrees)
Bishop, CA - 42 km (26 miles) WNW (287 degrees)
Big Pine, CA - 60 km (37 miles) NW (305 degrees)
Coordinates 37 deg. 28.4 min. N (37.473N), 118 deg. 50.9 min. W (118.848W)
Depth 3.73 km (2.3 miles)
Quality Fair
Location Quality Parameters Nst=16, Nph=16, Dmin=13.1 km, Rmss=0.02 sec, Erho=0.73 km, Erzz=1.87 km, Gp=244 degrees
Event ID# nc73340690
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