Illinois Is at Risk for an Earthquake

Illinois Is at Risk for an Earthquake

Illinois is in earthquake country. That’s what the National Seismic Hazard Project says, in its series of updated hazard maps.

Illinois is one of sixteen states at highest risk. And the New Madrid fault is not all there is to it, says Mark Petersen of the U. S. Geological Survey in Colorado.

“There have been several prehistoric earthquakes in something called the Wabash Zone,” near Illinois’ border with Indiana, Peterson says. “There are at least eight prehistoric
earthquakes that people have found through researching the sediments in Wabash Valley.”

Petersen praises preparation efforts here, with drills and other educational measures in recent years.

The other fifteen states in the “highest risk” group with Illinois are Alaska, Arkansas, California, Hawaii, Idaho, Kentucky, Missouri, Montana, Nevada, Oregon, South Carolina, Tennessee, Utah, Washington, and Wyoming.


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