Paleoseismologic analysis of trenches cut across faults and folds in the New Madrid,Missouri,area has led the U.S.Geological Survey to forecast a 90% chance of a magnitude ______ earthquake here within the next 50 years.

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The U.S. Geological Survey forecasts a 90% chance of a magnitude 6 to 7 earthquake in the New Madrid, Missouri, area within the next 50 years based on paleoseismologic analysis. This region is known for its seismic activity due to the New Madrid Seismic Zone.

Paleoseismologic Analysis of Trenches Cut Across Faults and Folds in the New