USGS: Injection Wells = Earthquakes
A 5.7 magnitude earthquake shook the ground near Prague, Oklahoma in 2011, accompanied by 2 other quakes registering magnitudes greater than 5.0. It was felt in 17 states. In fact, the central United States has seen an 11-fold increase in earthquakes in the past four years alone, according to Geology, a widely accepted scientific journal. […]