Article: New Madrid's wider reach: Although similar in magnitude, past New Madrid quakes have been felt over a wider area than recent California quakes.

Although new research about the New Madrid seismic zone is shaking up the scientific community, risk managers' and insurers' view of their New Madrid exposures generally remains unmoved.

The New Madrid seismic zone encompasses parts of Arkansas, Illinois, Indiana, Kentucky, Mississippi, Missouri and Tennessee. Using global positioning systems technology, scientists Andrew Newman, Seth Stein and several colleagues were able to monitor the movement of plates in the zone for a seven-year period, beginning in 1991.

In an article published in the April issue of Science magazine, the scientists concluded from their study of earth movement that ``the hazard ...

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