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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 2:36:23 AM (PDT) on Saturday, May 4, 2013.
The magnitude 1.0 event occurred 10 km (6 miles) ESE of Mammoth Lakes, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 1.0 - duration magnitude (Md)
Time Saturday, May 4, 2013 at 2:36:23 AM (PDT)
Saturday, May 4, 2013 at 9:36:23 (UTC)
Distance from Mammoth Lakes, CA - 10 km (6 miles) ESE (112 degrees)
Toms Place, CA - 18 km (11 miles) WNW (290 degrees)
Lee Vining, CA - 44 km (27 miles) SSE (150 degrees)
Yosemite Village, CA - 66 km (41 miles) ESE (102 degrees)
Coordinates 37 deg. 36.9 min. N (37.615N), 118 deg. 52.1 min. W (118.868W)
Depth 5.8 km (3.6 miles)
Quality Excellent
Location Quality Parameters Nst= 30, Nph= 30, Dmin=1 km, Rmss=0.05 sec, Erho=0.2 km, Erzz=0.3 km, Gp=68.4 degrees
Event ID# nc71985201
Additional Information map || waveforms
   Waveforms
NCSS First Motion Mechanism 1
NCSS First Motion Mechanism 2

For more information, see http://quake.wr.usgs.gov/

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