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Utah rises in new U.S. earthquake map’s hazard rating

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This undated handout image provided by the US Geological Survey (USGS) shows an updated federal earthquake risk map. A new map dials up the shaking hazard just a bit for about half of the US and lowers it for nearly a quarter of the nation. The U.S. Geologic Survey updated Thursday its national seismic hazard maps for the first time since 2008, taking into account research from the devastating 2011 earthquake and tsunami off the Japanese coast and the surprise 2011 Virginia temblor. (AP Photo/USGS)

By SETH BORENSTEIN

The Associated Press

First published Jul 17 2014 03:06PM
Updated Jul 17, 2014 07:01PM

Washington • Utah is among several states that have moved into the top two hazard zones in a new federal earthquake map.

The map dials up the shaking hazard just a bit for about half of the United States and lowers it for nearly a quarter of the nation.

The U.S. Geological Survey updated Thursday its national seismic hazard maps for the first time since 2008, taking into account research from the devastating 2011 earthquake and tsunami off the Japanese coast and the surprise 2011 Virginia temblor.

Most of the changes are slight. Project chief Mark Petersen said parts of Utah, Washington, Oregon, Oklahoma, Colorado, Wyoming and Tennessee moved into the top two hazard zones.

Parts of 16 states have the highest risk for earthquakes: Alaska, Hawaii, California, Oregon, Washington, Nevada, Utah, Idaho, Montana, Wyoming, Missouri, Arkansas, Tennessee, Illinois, Kentucky and South Carolina.

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