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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 12:08:02 PM (PST) on Tuesday, February 11, 2020.
The magnitude 1.2 event occurred 12 km (7 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 1.2 - duration magnitude (Md)
Time Tuesday, February 11, 2020 at 12:08:02 PM (PST)
Tuesday, February 11, 2020 at 20:08:02 (UTC)
Distance from Mammoth Lakes, CA - 12 km (7 miles) SSE (157 degrees)
West Bishop, CA - 46 km (29 miles) WNW (296 degrees)
Dixon Lane-Meadow Creek, CA - 48 km (30 miles) WNW (291 degrees)
Bishop, CA - 51 km (32 miles) WNW (293 degrees)
Yosemite Valley, CA - 62 km (38 miles) ESE (111 degrees)
Coordinates 37 deg. 32.4 min. N (37.540N), 118 deg. 55.6 min. W (118.927W)
Depth 3.81 km (2.4 miles)
Quality Good
Location Quality Parameters Nst=23, Nph=26, Dmin=8.0 km, Rmss=0.06 sec, Erho=0.26 km, Erzz=1.09 km, Gp=109 degrees
Event ID# nc73339735
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