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Earthquake history of Montana

Earthquake Information Bulletin (USGS)
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Abstract

Montana is one of the most seismically active States in the Union. Since 1925, the State has experienced five shocks that reached intensity VIII or greater (Modified Mercalli Scale). During the same interval hundreds of less severe tremors were felt within the State. Montana's earthquake activity is concentrated mostly in the mountainous western third of the State which lies within a seismic zone that also includes southeastern Idaho, western Wyoming, and central Utah.

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Earthquake history of Montana
Series title Earthquake Information Bulletin (USGS)
Volume 6
Issue 4
Year Published 1974
Language English
Publisher U.S Geological Survey
Description 6 p.
First page 30
Last page 35
Country United States
State Montana
Online Only (Y/N) N
Additional Online Files (Y/N) N