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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 3:05:31 AM (PDT) on Sunday, May 5, 2013.
The magnitude 0.4 event occurred 14 km (8 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 0.4 - duration magnitude (Md)
Time Sunday, May 5, 2013 at 3:05:31 AM (PDT)
Sunday, May 5, 2013 at 10:05:31 (UTC)
Distance from Mammoth Lakes, CA - 14 km (8 miles) SE (134 degrees)
Toms Place, CA - 16 km (10 miles) W (271 degrees)
Lee Vining, CA - 50 km (31 miles) SSE (152 degrees)
Shaver Lake, CA - 65 km (40 miles) NE (38 degrees)
Coordinates 37 deg. 33.8 min. N (37.563N), 118 deg. 51.6 min. W (118.860W)
Depth 8.3 km (5.2 miles)
Quality Fair
Location Quality Parameters Nst= 19, Nph= 19, Dmin=4 km, Rmss=0.04 sec, Erho=0.6 km, Erzz=0.7 km, Gp=241.2 degrees
Event ID# nc71985786
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