Saturday, March 08, 2014

U.S. Geological Survey confirms: Human activity caused 5.7 quake in Oklahoma | The Raw Story

U.S. Geological Survey confirms: Human activity caused 5.7 quake in Oklahoma | The Raw Story:

 The USGS claims that the magnitude 5.0 earthquake triggered by waste-water injection the previous day “trigger[ed] a cascade of earthquakes, including a larger one, [which] has important implications for reducing the seismic risk from waste-water injection.”



 Injection wells are considered by some to be the most environmentally sound method of disposing of waste-water — which is a byproduct of both hydrofracking and conventional oil production — because they use the earth itself to both filter and contain the pollution...