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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 5:39:33 AM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.4 event occurred 3 km (2 miles) ESE of Mammoth Lakes, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 0.4 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 5:39:33 AM (PDT)
Wednesday, May 8, 2013 at 12:39:33 (UTC)
Distance from Mammoth Lakes, CA - 3 km (2 miles) ESE (110 degrees)
Toms Place, CA - 24 km (15 miles) WNW (291 degrees)
Lee Vining, CA - 39 km (24 miles) SSE (156 degrees)
Yosemite Village, CA - 59 km (37 miles) E (101 degrees)
Coordinates 37 deg. 38.3 min. N (37.638N), 118 deg. 56.1 min. W (118.936W)
Depth 7.8 km (4.8 miles)
Quality Excellent
Location Quality Parameters Nst= 14, Nph= 14, Dmin=3 km, Rmss=0.04 sec, Erho=0.5 km, Erzz=1.3 km, Gp=75.6 degrees
Event ID# nc71071564
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