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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 4:20:41 PM (PDT) on Monday, September 30, 2013.
The magnitude 0.4 event occurred 14 km (9 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 0.4 - duration magnitude (Md)
Time Monday, September 30, 2013 at 4:20:41 PM (PDT)
Monday, September 30, 2013 at 23:20:41 (UTC)
Distance from Mammoth Lakes, CA - 14 km (9 miles) SE (124 degrees)
Toms Place, CA - 14 km (9 miles) W (277 degrees)
Lee Vining, CA - 49 km (30 miles) SSE (150 degrees)
Shaver Lake, CA - 67 km (42 miles) NE (39 degrees)
Coordinates 37 deg. 34.7 min. N (37.578N), 118 deg. 50.4 min. W (118.840W)
Depth 5.8 km (3.6 miles)
Quality Fair
Location Quality Parameters Nst= 11, Nph= 11, Dmin=2 km, Rmss=0.03 sec, Erho=0.8 km, Erzz=0.8 km, Gp=241.2 degrees
Event ID# nc72079206
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