Logo Recent Earthquakes in the Intermountain West

== 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 2:26:43 AM (MDT) on Thursday, May 8, 2008.
The magnitude 0.9 event occurred 9 km (6 miles) NW of West Yellowstone, MT.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 0.9 - duration magnitude (Md)
Time Thursday, May 8, 2008 at 2:26:43 AM (MDT)
Thursday, May 8, 2008 at 8:26:43 (UTC)
Distance from West Yellowstone, MT - 9 km (6 miles) NW (315 degrees)
Island Park, ID - 27 km (17 miles) NNE (26 degrees)
Gardiner, MT - 51 km (32 miles) SW (227 degrees)
Big Sky, MT - 62 km (38 miles) S (172 degrees)
Salt Lake City, UT - 445 km (276 miles) N (7 degrees)
Coordinates 44 deg. 43.3 min. N (44.721N), 111 deg. 11.3 min. W (111.188W)
Depth 4.7 km (2.9 miles)
Location Quality Excellent
Location Quality Parameters Nst= 20, Nph= 20, Dmin=3.3 km, Rmss=0.13 sec, Erho=0.3 km, Erzz=0.8 km, Gp=68.4 degrees
Event ID# uu05080826
Additional Information map
Topo map centered at earthquake (This link takes you offsite).

Did you feel it? - Click Here
ShakeMaps - Utah Region

For more information, see http://quake.utah.edu/

[ Index map || big earthquake list || all earthquake list || glossary of terms || Home page ]