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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 4:42:30 PM (PDT) on Thursday, May 2, 2013.
The magnitude 0.9 event occurred 21 km (13 miles) S of Mammoth Lakes, CA.
The hypocentral depth is 19 km (12 miles).



Magnitude 0.9 - duration magnitude (Md)
Time Thursday, May 2, 2013 at 4:42:30 PM (PDT)
Thursday, May 2, 2013 at 23:42:30 (UTC)
Distance from Mammoth Lakes, CA - 21 km (13 miles) S (183 degrees)
Toms Place, CA - 29 km (18 miles) WSW (247 degrees)
Shaver Lake, CA - 49 km (31 miles) NE (37 degrees)
North Fork, CA - 53 km (33 miles) ENE (62 degrees)
Coordinates 37 deg. 27.5 min. N (37.459N), 118 deg. 59.1 min. W (118.985W)
Depth 18.7 km (11.6 miles)
Quality Good
Location Quality Parameters Nst= 14, Nph= 14, Dmin=17 km, Rmss=0.06 sec, Erho=0.8 km, Erzz=0.8 km, Gp=158.4 degrees
Event ID# nc71984771
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