The Oklahoma Corporation Commission says its Induced Seismicity Department and the Oklahoma Geological Survey are investigating several earthquakes in the central part of the state. At least six quakes of magnitude 3.0 or stronger have struck since Tuesday in an …
The U.S. Geological Survey says several earthquakes struck central Oklahoma in the morning on July 14, including one with a preliminary magnitude of 4.2. State and local emergency management officials said there have been no reports of injury or damage …
A federal judge has dismissed a lawsuit against three oil and gas companies over Oklahoma’s ongoing earthquakes. The lawsuit, filed last year on behalf of Sierra Club Oklahoma, asked for a reduction of production waste from Devon Energy Corp., Chesapeake …
Recent reports show that disposal well operators placed about 23 percent less saltwater into Oklahoma’s deepest geological formation within the earthquake zone in 2016 compared to the previous year. The year-end data reports about the Arbuckle formation come from the …
Oklahoma’s oil and gas regulator plans to shut some disposal wells and reduce the volume of others as its initial response to Sunday’s earthquake near the oil hub of Cushing. “Other plans are being developed that will encompass larger areas” …
The Oklahoma Corporation Commission has approved a $1.01 million settlement with a natural gas utility in connection to a January house explosion. Authorities said a faulty weld in a plastic natural gas pipeline led to the Jan. 2 explosion in …
A 5.8-magnitude earthquake and a series of smaller aftershocks in Oklahoma led to the discovery of a new fault line and stoked fears among some scientists about activity along other unknown faults that could be triggered by oil and gas …
Oklahoma drillers are being ordered to shut more fracking wastewater wells just as the U.S. Geological Survey is upgrading last weekend’s earthquake to a record magnitude. The Environmental Protection Agency said it has ordered the closure of 17 additional disposal …
The 37 wastewater disposal wells to be shut down in north-central Oklahoma, where a 5.6 magnitude earthquake struck this weekend, are just a fraction of the state’s total number. There are about 4,200 total wells across the state and about …
Oklahoma registered one of its biggest earthquakes on Sept. 3 even after state regulators have beefed up limits on disposing oilfield waste and the rate of tremors had started to slow somewhat from unprecedented levels last year. The tremor in …
