ASU researcher: Wastewater from fracking, drilling causing earthquakes
New research from an Arizona State University geologist and other researchers finds that wastewater injections into the ground ' including for fracking and oil and natural gas drilling ' are causing earthquakes in the U.S.
Fracking entails drilling underground into rock formations and using high-pressure water, chemicals and sand to extract oil and gas. It has been used extensively in central and Midwestern U.S. states.
ASU geologist Manoocheher Shizaei and researchers from Stanford University...