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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 6:15:48 AM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.4 event occurred 4 km (3 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 6:15:48 AM (PDT)
Wednesday, May 8, 2013 at 13:15:48 (UTC)
Distance from Mammoth Lakes, CA - 4 km (3 miles) ESE (105 degrees)
Toms Place, CA - 23 km (15 miles) WNW (292 degrees)
Lee Vining, CA - 39 km (24 miles) SSE (154 degrees)
Yosemite Village, CA - 60 km (37 miles) E (101 degrees)
Coordinates 37 deg. 38.3 min. N (37.639N), 118 deg. 55.6 min. W (118.927W)
Depth 8.5 km (5.3 miles)
Quality Good
Location Quality Parameters Nst= 10, Nph= 10, Dmin=3 km, Rmss=0.02 sec, Erho=0.9 km, Erzz=1.5 km, Gp=136.8 degrees
Event ID# nc71987961
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