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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 7:41:03 PM (PDT) on Wednesday, May 1, 2013.
The magnitude 0.5 event occurred 15 km (9 miles) WSW of Toms Place, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 0.5 - duration magnitude (Md)
Time Wednesday, May 1, 2013 at 7:41:03 PM (PDT)
Thursday, May 2, 2013 at 2:41:03 (UTC)
Distance from Toms Place, CA - 15 km (9 miles) WSW (255 degrees)
Mammoth Lakes, CA - 17 km (11 miles) SE (141 degrees)
Lee Vining, CA - 54 km (33 miles) SSE (153 degrees)
Shaver Lake, CA - 63 km (39 miles) NE (41 degrees)
Coordinates 37 deg. 31.6 min. N (37.527N), 118 deg. 50.8 min. W (118.847W)
Depth 5.8 km (3.6 miles)
Quality Poor
Location Quality Parameters Nst= 7, Nph= 7, Dmin=7 km, Rmss=0.01 sec, Erho=5.5 km, Erzz=3.4 km, Gp=316.8 degrees
Event ID# nc71980490
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