A study by the U.S. Geological Survey finds the largest earthquake ever recorded in Kansas was linked to wastewater injection into deep underground wells — a process known as fracking. The November 12, 2014 earthquake, occurred 40 miles southwest of Wichita near the town of Milan. It registered 4.9 on the Richter scale and was felt as far away as Memphis. According to the USGS, the epicenter of the quake was located in an area were seismic activity is extremely rare but was adjacent to known fracking operations.
“The source parameters and behavior of the Milan earthquake and foreshock–aftershock sequence are similar to characteristics of other earthquakes induced by wastewater injection into permeable formations overlying crystalline basement,” the USGS study abstract states.
http://planetsave.com/2016/10/16/largest-earthquake-kansas-caused-fracking/
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