TY - RPRT TI - Earthquakes induced by hydraulic fracturing are pervasive in Oklahoma AU - Robert J. Skoumal AU - Rosamiel Ries AU - Michael R. Brudzinski AU - Andrew J. Barbour AU - Brian S. Currie PY - 2018 DO - 10.1029/2018jb016790 UR - https://pubs.usgs.gov/publication/70201671 ID - 70201671 ER -