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USGS: Damaging Earthquake Risk Now Greater In Oklahoma Than California

SAN FRANCISCO (CBS / AP) -- Federal scientists say the chance of damaging earthquakes hitting east of the Rockies has increased significantly, much of it a man-made byproduct of drilling for energy. Oklahoma now has a 1 in 8 chance of damaging quakes in 2016, surpassing California as the state with the highest probability.

In a first-of-its-kind effort, U.S. Geological Survey Monday released a map forecasting damaging quakes in the current year.

COMPLETE QUAKE COVERAGE: CBS Earthquake Resource Center

USGS seismologists said 7 million people live in areas where the risk has dramatically jumped for earthquakes caused by disposal of wastewater, a byproduct of drilling for oil and gas. That is mostly concentrated in Oklahoma, Texas, New Mexico, Kansas, Colorado and Arkansas.

Natural earthquake risk also increased around the New Madrid fault in Missouri, Tennessee, Kentucky, Arkansas and Illinois.

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