http://www.msn.com/en-us/weather/top...-us/ar-AAbyupU

Who would've thunk ?

More than a dozen areas in the United States have been shaken in recent years by small earthquakes triggered by oil and gas drilling.


The man-made quakes jolted once stable regions in eight states, including parts of Alabama, Arkansas, Colorado, Kansas, New Mexico, Ohio, Oklahoma and Texas, according to researchers at the U.S. Geological Survey.