Earthquake history of Oklahoma

Earthquake Information Bulletin (USGS)


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The strongest and most widely felt earthquake in Oklahoma occurred on April 9, 1952. The intensity VII (Modified Mercalli Scale) tremor was felt over 362,000 sqaure kilometres. A second intensity VII earthquake, felt over a very small area, occurred in October 1956. In addition, 15 other shocks, intensity V or VI, have originated within Oklahoma. 

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Earthquake history of Oklahoma
Series title Earthquake Information Bulletin (USGS)
Volume 8
Issue 2
Year Published 1976
Language English
Publisher U.S Geological Survey
Publisher location Reston, VA
Description 3 p.
First page 28
Last page 30
Country United States
State Oklahoma
Online Only (Y/N) N
Additional Online Files (Y/N) N