January 2, 2019
The number of Oklahoma earthquakes registering a magnitude 3.0 or greater has declined for the third consecutive year after state regulators began directing oil and natural gas producers to close some wells and reduce injection volumes in others. The number …
December 4, 2018
Three oil companies have reached a settlement with plaintiffs in a class-action lawsuit over damaging earthquakes in central Oklahoma. The companies — Spess Oil Co., Equal Energy US Inc. and Fairfield Oil and Gas Corp. — have not admitted to …
July 30, 2018
Central Oklahoma residents won’t get a trial this fall for a case against an oil company accused of triggering earthquakes that damaged homes and buildings. The Journal Record reports that a Cleveland County judge outlined rules for the class-action case …
July 10, 2018
Oklahoma’s 4.0 earthquakes are up significantly this year, but the overall rate of earthquakes is declining. Oklahoma has had six quakes of at least magnitude 4.0 halfway through this year, which is one more than all of last year. But …
June 18, 2018
The U.S. Geological Survey says a 4.0 magnitude earthquake has shaken parts of central Oklahoma, but there were no immediate reports of damage. The USGS says the earthquake was recorded at 3:56 p.m. about 7 miles (12 kilometers) north of …
June 11, 2018
The U.S. Geological Survey says a 4.4 magnitude earthquake shook parts of northern Oklahoma and neighboring Kansas. Geologists say the earthquake was recorded at 8:59 a.m. Saturday about 16 miles (26 kilometers) east of Cherokee, about 100 miles (160 kilometers) …
June 7, 2018
Scientists may have found previously unmapped faults in Oklahoma that could be contributing to a sharp increase in induced earthquakes in the state, according to a report on a study that used magnetic imaging to explore the rock formations below …
May 10, 2018
Oklahoma oil and natural gas regulators have instructed the operators of 23 wastewater disposal wells to reduce their disposal volumes due to recent earthquakes in Garfield County. The Oklahoma Corporation Commission issued the directive in response to earthquake activity around …
April 12, 2018
The Oklahoma Corporation Commission has directed a wastewater disposal well to reduce its volume of injection after more than a dozen earthquakes rattled part of northwest Oklahoma since Friday. The U.S. Geological Survey recorded three quakes Monday, including one near …
March 6, 2018
Busted bricks and cracked windows were revealed Monday after some of those most powerful earthquakes in Oklahoma in the past year rattled the northern part of the state. Oklahoma residents have gotten used to feeling rumbles from a spike in …