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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 6:35:07 PM (PST) on Tuesday, December 4, 2018.
The magnitude 0.9 event occurred 23 km (14 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 0.9 - duration magnitude (Md)
Time Tuesday, December 4, 2018 at 6:35:07 PM (PST)
Wednesday, December 5, 2018 at 2:35:07 (UTC)
Distance from Mammoth Lakes, CA - 23 km (14 miles) SE (142 degrees)
West Bishop, CA - 34 km (21 miles) WNW (292 degrees)
Dixon Lane-Meadow Creek, CA - 37 km (23 miles) WNW (285 degrees)
Bishop, CA - 39 km (24 miles) WNW (288 degrees)
Big Pine, CA - 58 km (36 miles) NW (307 degrees)
Coordinates 37 deg. 28.4 min. N (37.474N), 118 deg. 49.0 min. W (118.817W)
Depth 1.31 km (0.8 miles)
Quality Fair
Location Quality Parameters Nst=18, Nph=19, Dmin=13.0 km, Rmss=0.03 sec, Erho=0.88 km, Erzz=2.68 km, Gp=252 degrees
Event ID# nc73119216
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