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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 7:54:48 AM (MDT) on Tuesday, May 6, 2008.
The magnitude 1.0 event occurred 42 km (26 miles) E of West Yellowstone, MT.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.0 - duration magnitude (Md)
Time Tuesday, May 6, 2008 at 7:54:48 AM (MDT)
Tuesday, May 6, 2008 at 13:54:48 (UTC)
Distance from West Yellowstone, MT - 42 km (26 miles) E (100 degrees)
Gardiner, MT - 50 km (31 miles) SSE (168 degrees)
Island Park, ID - 61 km (38 miles) E (80 degrees)
Cooke City-Silver Gate, MT - 69 km (43 miles) SW (227 degrees)
Salt Lake City, UT - 440 km (274 miles) NNE (14 degrees)
Coordinates 44 deg. 35.7 min. N (44.594N), 110 deg. 35.0 min. W (110.583W)
Depth 1.8 km (1.1 miles)
Location Quality Good
Location Quality Parameters Nst= 12, Nph= 12, Dmin=5 km, Rmss=0.29 sec, Erho=0.7 km, Erzz=2.9 km, Gp=79.2 degrees
Event ID# uu05061354
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For more information, see http://quake.utah.edu/

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