Deep-seated crustal faults dating from Proterozoic may have caused powerful earthquakes with epicenters in __________ during 1811-1812.

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The powerful earthquakes with epicenters in Missouri during 1811-1812 are known as the New Madrid earthquakes. These earthquakes are thought to have been caused by reactivation of deep-seated faults that date back to the Proterozoic era.

Deep-Seated Crustal Faults Dating from Proterozoic May Have Caused Powerful