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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 9:57:54 AM (MDT) on Monday, May 5, 2008.
The magnitude 1.2 event occurred 14 km (9 miles) NNE of West Yellowstone, MT.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Monday, May 5, 2008 at 9:57:54 AM (MDT)
Monday, May 5, 2008 at 15:57:54 (UTC)
Distance from West Yellowstone, MT - 14 km (9 miles) NNE (28 degrees)
Gardiner, MT - 38 km (24 miles) SW (220 degrees)
Island Park, ID - 39 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. 46.4 min. N (44.773N), 111 deg. 1.4 min. W (111.023W)
Depth 8.4 km (5.2 miles)
Location Quality Good
Location Quality Parameters Nst= 17, Nph= 17, Dmin=2 km, Rmss=0.11 sec, Erho=0.5 km, Erzz=0.9 km, Gp=151.2 degrees
Event ID# uu05051557
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