A 5.0 magnitude earthquake that rattled north-central Oklahoma Sunday was only the sixth of that strength in state history and has reawakened concerns that oil and gas activity could be causing ...

When an earthquake struck Oklahoma on Saturday, one of the first steps state officials took was to shut down 37 of the state's 3,200 active disposal wells -- a move that drew national attention to ...

A 5.1 magnitude earthquake shook an area near Oklahoma City late Friday, followed by smaller quakes during the next several hours, the U.S. Geological Survey reported. No injuries were reported ...

Two earthquakes rattled Edmond, Oklahoma Friday morning, measuring 2.9 and 2.8 magnitude and hitting minutes apart just after 4 a.m. This comes just more than a year after several earthquake ...

For residents in Oklahoma, thousands of tiny earthquakes in the past five years have mostly been annoying. But a new study in Geophysical Research Letters suggests the future could be more dire ...

Oklahoma also saw the largest quake ever recorded in the state in 2016, when a magnitude 5.8 earthquake struck near Pawnee. The earthquakes are thought to be the result of the disposal of ...

No damage or injuries have been reported so far. A series of earthquakes struck Oklahoma Friday evening into Saturday morning, including at least two of 4.4 magnitude. A 3.2 magnitude earthquake ...

PRAGUE, Okla. — After a dramatic spike in earthquakes in the early 2010s, state regulators in Oklahoma began taking steps to limit the injection of wastewater from oil and gas extraction deep ...

An earthquake of preliminary magnitude 4.2 hit central Oklahoma on Wednesday night, the U.S. Geological Survey said, the sixth earthquake to affect the area in just over 24 hours. Four hours later ...

Oklahoma, a state known more for tornadoes than seismic shifts, is becoming all too familiar with earthquakes. In the week ending Saturday, 48 quakes larger than the magnitude of 2.5 had struck ...

An earthquake struck northern Oklahoma early Saturday morning, rattling houses and waking residents in the region around Pawnee, about 74 miles north of Oklahoma City. Preliminary measurements ...

Oklahoma City Residents Appear […] Oklahoma City experienced a sequence of earthquakes just as the week wrapped up, with the most significant registering at a magnitude of 4.4.