"A water and methane geyser, bubbling water, and mud volcanoes have Pennsylvania shale-field residents scared and demanding answers.  A number of dramatic methane emissions were reported to have begun in Leroy Township, Bradford County on May 19, 2012. Initial reports from residents suggested that there may have been a substantial loss of control of natural gas from one or more of the shale gas wells in the area..."


Read more here: Independent study finds significant fault line methane leaks