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Earthquake Hazards Program

Magnitude 1.8 WESTERN MONTANA

2009 July 07 09:54:11 UTC

Preliminary Earthquake Report

Magnitude 1.8
Date-Time 2009 07 07 09:54:11 UTC
Time of Earthquake in other Time Zones
Location 44.73N 111.10W
Depth 9.6 kilometers
Region WESTERN MONTANA
Distances NEAR West Yellowstone, Montana
35 km (25 miles) NW of Old Faithful, Wyoming
105 km (65 miles) S of Bozeman, Montana
220 km (135 miles) SSE of HELENA, Montana
Location Quality Error estimate: horizontal +/- 0.4 km; depth fixed by location program
Location Quality
Parameters
Nst=19, Nph=19, Dmin=7.2 km, Rmss=0.13 sec, Gp=72 degrees
Source University of Utah Seismograph Stations
Event ID uu07070954

Earthquake Location

Earthquake Location

 


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