Magnitude 4.5 - WESTERN MONTANA

2005 October 31 00:23:30 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude4.5
Date-Time
Location44.874°N, 113.399°W
Depth5 km (3.1 miles) set by location program
RegionWESTERN MONTANA
Distances
50 km (30 miles) SE of Salmon, Idaho
70 km (45 miles) WNW of Lima, Montana
70 km (45 miles) WSW of Dillon, Montana
265 km (165 miles) ENE of BOISE, Idaho
Location Uncertaintyhorizontal +/- 4.5 km (2.8 miles); depth fixed by location program
ParametersNST= 48, Nph= 48, Dmin=43.3 km, Rmss=0.26 sec, Gp= 61°,
M-type=centroid moment magnitude (Mw), Version=R
Source
  • USGS NEIC (WDCS-D)
Event IDusevax
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Earthquake Summary

Small globe showing earthquakeSmall map showing earthquake

Felt Reports

Felt (V) at Leadore; (IV) at Clayton snd Salmon; (III) at Challis, Hailey and Ketchum, Idaho. Also felt at Butte, Dillon and Missoula, Montana. Felt as far as Pullman, Washington.

Earthquake Information for MONTANA

Additional Information