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Tuesday, April 29, 2008

THE NEW MADRID EARTHQUAKES OF 1811-1812

The verdict: the 1811-1812 quakes were huge, and would have caused massive property damage and loss of life had they occurred after the area involved was more heavily settled:

From their website:

"On the basis of the large area of damage (600,000 square kilometers), the widespread area of perceptibility (5,000,000 square kilometers), and the complex physiographic changes that occurred, the Mississippi River valley earthquakes of 1811-1812 rank as some of the largest in the United States since its settlement by Europeans. The area of strong shaking associated with these shocks is two to three times larger than that of the 1964 Alaska earthquake and 10 times larger than that of the 1906 San Francisco earthquake."

LINK

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