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Earthquake history of Oklahoma

January 1, 1976

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. 

Publication Year 1976
Title Earthquake history of Oklahoma
Authors C. A. von Hake
Publication Type Article
Publication Subtype Journal Article
Series Title Earthquake Information Bulletin (USGS)
Index ID 70162480
Record Source USGS Publications Warehouse