Geologic mapping and earthquakes in southeastern Idaho

Earthquake Information Bulletin (USGS)


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On April 14, 1973, a magnitude 4.75 earthquake occurred in Oneida County, Idaho. The intensity of ground motion was too slight to cause damage, and local interest in this event was so slight that it was not even noted in the weekly newspaper, the Idaho Enterprise, published in Malad City, the county seat. Two years later, an earthquake of magnitude 6.1 and three shocks, each of a magnitude greater than 4, occurred in nearly the same place under Pocatello Valley (fig 1). The main shock on March 27, 1975, was the strongest in the United States since the 1971 San Fernando Valley, Calif., event and was reported in newspapers across the country. 

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Geologic mapping and earthquakes in southeastern Idaho
Series title Earthquake Information Bulletin (USGS)
Volume 8
Issue 5
Year Published 1976
Language English
Publisher U.S Geological Survey
Description 5 p.
First page 8
Last page 12
Country United States
State Idaho
Online Only (Y/N) N
Additional Online Files (Y/N) N