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1968 Illinois earthquake

The illinois Earthquake in 1968 was the largest Earthquake recorded in us History. S. Midwestern State of Illinois. Striking at 11:02 am on November 9, it measured 5. 4 on the Richter scale. Although no Fatalities occurred, the Event caused considerable structural Damage to Buildings, including the Toppling of Chimneys and shaking in Chicago, the Region's largest City. The Earthquake was one of the most commonly Felt in the united States. S. History, largely affecting 23 States over an Area of 580,000 sq Mi. In studying its Cause Scientists discovered the Cottage Grove Fault in the southern Illinois Basin.

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