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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 6:28:14 PM (MDT) on Tuesday, May 6, 2008.
The magnitude 0.8 event occurred 14 km (9 miles) NNE of West Yellowstone, MT.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 0.8 - duration magnitude (Md)
Time Tuesday, May 6, 2008 at 6:28:14 PM (MDT)
Wednesday, May 7, 2008 at 0:28:14 (UTC)
Distance from West Yellowstone, MT - 14 km (9 miles) NNE (28 degrees)
Gardiner, MT - 38 km (23 miles) SW (220 degrees)
Island Park, ID - 40 km (25 miles) NE (39 degrees)
Big Sky, MT - 59 km (37 miles) SSE (158 degrees)
Salt Lake City, UT - 453 km (281 miles) N (9 degrees)
Coordinates 44 deg. 46.5 min. N (44.775N), 111 deg. 1.2 min. W (111.020W)
Depth 6.8 km (4.2 miles)
Location Quality Good
Location Quality Parameters Nst= 7, Nph= 7, Dmin=2.1 km, Rmss=0.14 sec, Erho=0.9 km, Erzz=1.4 km, Gp=154.8 degrees
Event ID# uu05070028
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For more information, see http://quake.utah.edu/

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