PAWNEE, OKLAHOMA-- For the last several years, something strange has been going on in Oklahoma. While the occurrence of earthquakes in the state usually hovers between one to three quakes annually, Oklahoma is now averaging one to three significant earthquakes per day. According to a newly released USGS earthquake risk map, Oklahoma is now just
Fracking Has Made Oklahoma As Earthquake-Prone As San Francisco
According to a new USGS earthquake risk map, Oklahoma is now one of the most earthquake-prone places in the U.S. – all thanks to oil and gas extraction in the state.