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== PRELIMINARY EARTHQUAKE REPORT ==
University of Utah Seismograph Stations, Salt Lake City, Utah

Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A micro earthquake occurred at 1:39:25 AM (MDT) on Monday, May 5, 2008.
The magnitude 0.7 event occurred 13 km (8 miles) N of West Yellowstone, MT.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.7 - duration magnitude (Md)
Time Monday, May 5, 2008 at 1:39:25 AM (MDT)
Monday, May 5, 2008 at 7:39:25 (UTC)
Distance from West Yellowstone, MT - 13 km (8 miles) N (359 degrees)
Island Park, ID - 36 km (22 miles) NNE (31 degrees)
Gardiner, MT - 42 km (26 miles) SW (227 degrees)
Big Sky, MT - 57 km (35 miles) SSE (165 degrees)
Salt Lake City, UT - 452 km (281 miles) N (8 degrees)
Coordinates 44 deg. 46.5 min. N (44.776N), 111 deg. 6.5 min. W (111.108W)
Depth 6 km (3.7 miles)
Location Quality Excellent
Location Quality Parameters Nst= 15, Nph= 15, Dmin=2.2 km, Rmss=0.13 sec, Erho=0.5 km, Erzz=1 km, Gp=86.4 degrees
Event ID# uu05050739
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