AdvertisementWith Quakes Spiking, Oil Industry Is Under The Microscope In OklahomaFebruary 16, 2015Frank MorrisfacebookEmailA functioning oil rig sits in front of the capital building in Oklahoma City, Okla. The oil industry is an important employer in the state, but officials are concerned a technique used to dispose of wastewater from oil extraction is behind a surge in earthquakes here. (KCUR)