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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:05:27 PM (PDT) on Sunday, May 5, 2013.
The magnitude 2.3 event occurred 4 km (3 miles) W of Mammoth Lakes, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 2.3 - duration magnitude (Md)
Time Sunday, May 5, 2013 at 8:05:27 PM (PDT)
Monday, May 6, 2013 at 3:05:27 (UTC)
Distance from Mammoth Lakes, CA - 4 km (3 miles) W (266 degrees)
Toms Place, CA - 32 km (20 miles) WNW (287 degrees)
Lee Vining, CA - 36 km (22 miles) SSE (166 degrees)
Yosemite Village, CA - 52 km (32 miles) ESE (102 degrees)
Coordinates 37 deg. 38.7 min. N (37.645N), 119 deg. 1.3 min. W (119.022W)
Depth 2.3 km (1.4 miles)
Quality Excellent
Location Quality Parameters Nst= 42, Nph= 42, Dmin=1 km, Rmss=0.08 sec, Erho=0.2 km, Erzz=0.2 km, Gp=61.2 degrees
Event ID# nc71986256
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Waveforms
NCSS First Motion Mechanism 1

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