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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 9:37:39 AM (PDT) on Saturday, May 4, 2013.
The magnitude 0.3 event occurred 5 km (3 miles) WSW of Mammoth Lakes, CA.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 0.3 - duration magnitude (Md)
Time Saturday, May 4, 2013 at 9:37:39 AM (PDT)
Saturday, May 4, 2013 at 16:37:39 (UTC)
Distance from Mammoth Lakes, CA - 5 km (3 miles) WSW (241 degrees)
Toms Place, CA - 31 km (19 miles) WNW (284 degrees)
Lee Vining, CA - 38 km (24 miles) SSE (166 degrees)
Yosemite Village, CA - 52 km (33 miles) ESE (104 degrees)
Coordinates 37 deg. 37.6 min. N (37.627N), 119 deg. 1.2 min. W (119.019W)
Depth 9.5 km (5.9 miles)
Quality Excellent
Location Quality Parameters Nst= 18, Nph= 18, Dmin=1 km, Rmss=0.06 sec, Erho=0.6 km, Erzz=0.3 km, Gp=54 degrees
Event ID# nc71985301
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