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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 2:47:42 AM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.3 event occurred 6 km (4 miles) WSW of Mammoth Lakes, CA.
The hypocentral depth is 12 km ( 7 miles).



Magnitude 0.3 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 2:47:42 AM (PDT)
Wednesday, May 8, 2013 at 9:47:42 (UTC)
Distance from Mammoth Lakes, CA - 6 km (4 miles) WSW (252 degrees)
Toms Place, CA - 32 km (20 miles) WNW (284 degrees)
Lee Vining, CA - 37 km (23 miles) SSE (168 degrees)
Yosemite Village, CA - 51 km (32 miles) ESE (104 degrees)
Coordinates 37 deg. 37.9 min. N (37.632N), 119 deg. 2.2 min. W (119.036W)
Depth 11.5 km (7.1 miles)
Quality Good
Location Quality Parameters Nst= 15, Nph= 15, Dmin=3 km, Rmss=0.07 sec, Erho=0.5 km, Erzz=0.4 km, Gp=100.8 degrees
Event ID# nc71988021
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