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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 10:29:30 PM (PDT) on Wednesday, May 1, 2013.
The magnitude 1.0 event occurred 2 km (1 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 1.0 - duration magnitude (Md)
Time Wednesday, May 1, 2013 at 10:29:30 PM (PDT)
Thursday, May 2, 2013 at 5:29:30 (UTC)
Distance from Mammoth Lakes, CA - 2 km (1 miles) SSE (150 degrees)
Toms Place, CA - 26 km (16 miles) WNW (288 degrees)
Lee Vining, CA - 38 km (24 miles) SSE (159 degrees)
Yosemite Village, CA - 57 km (35 miles) ESE (102 degrees)
Coordinates 37 deg. 38.1 min. N (37.636N), 118 deg. 57.8 min. W (118.963W)
Depth 8.1 km (5.0 miles)
Quality Excellent
Location Quality Parameters Nst= 23, Nph= 23, Dmin=2 km, Rmss=0.04 sec, Erho=0.2 km, Erzz=0.5 km, Gp=39.6 degrees
Event ID# nc71980555
Additional Information map || waveforms
   Waveforms
NCSS First Motion Mechanism 1

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