A group of lawsuits that link a cluster of earthquakes in Oklahoma to the disposal of wastewater from hydraulic fracturing are moving forward. On Sept. 11, Oklahoma District Judge Phillip Corley lifted a hold that had been placed on two class-action lawsuits involving a 5.0-magnitude earthquake in November 2016 near Cushing, Okla., pending federal action on related cases.
On August 31, Steadfast Insurance Co., a subsidiary of Zurich Holding Company of America, sued seven oil companies in the U.S. District Court for the Northern District of Oklahoma.