Magnitude 4.5 - WESTERN MONTANA
2005 October 31 00:23:30 UTC
Earthquake Details
- This event has been reviewed by a seismologist.
| Magnitude | 4.5 |
|---|---|
| Date-Time |
|
| Location | 44.874°N, 113.399°W |
| Depth | 5 km (3.1 miles) set by location program |
| Region | WESTERN 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 Uncertainty | horizontal +/- 4.5 km (2.8 miles); depth fixed by location program |
| Parameters | NST= 48, Nph= 48, Dmin=43.3 km, Rmss=0.26 sec, Gp= 61°, M-type=centroid moment magnitude (Mw), Version=R |
| Source |
|
| Event ID | usevax |
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Earthquake Summary
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 Maps
Scientific & Technical Information
Additional Information
- Preliminary Earthquake Report
- U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver




