Magnitude 4.6 - WESTERN MONTANA

2005 October 31 00:23:30 UTC

Earthquake Details

Magnitude4.6
Date-Time
Location44.889°N, 113.422°W
Depth5 km (3.1 miles) set by location program
RegionWESTERN MONTANA
Distances
  • 24 km (15 miles) NNW (348°) from Leadore, ID
  • 50 km (31 miles) SE (130°) from Salmon, ID
  • 71 km (44 miles) WNW (294°) from Lima, MT
  • 265 km (165 miles) ENE (57°) from Boise, ID
  • 476 km (296 miles) NNW (345°) from Salt Lake City, UT
Location Uncertaintyhorizontal +/- 4.1 km (2.5 miles); depth fixed by location program
ParametersNST= 37, Nph= 37, Dmin=45.6 km, Rmss=0.61 sec, Gp= 61°,
M-type=teleseismic moment magnitude (Mw), Version=R
Source
  • USGS NEIC (WDCS-D)
Event IDusevax
  • This event has been reviewed by a seismologist.
  • Did you feel it? Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others.

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

Earthquake Maps

Additional Information, News Reports