Research conducted by U.S. Geological Survey geophysicists suggests it was induced by injection into deep disposal wells in the Wilzetta North field. Photo Credit: Brian Sherrod, USGS. The locals call it “incoming,” and some compare the violence of the tremors to living in a war zone. Others say it’s like having their homes hit by a truck. The scene is north Texas, home to the Barnett Shale, the largest unconventional gas field in the United States. There, industry, often touted as the new engine of the U.S. economy, has punctured and fractured the landscape with 17,000 gas wells, as well as thousands of disposal sites to get rid of related toxic waste fluids. It’s in north Texas where the unconventional gas industry, together with what it calls the “safe and proven” […]