Hydraulic fracturing, more commonly known as fracking ... the stronger the quake. Until recently, earthquakes in Oklahoma were few and far between. In 2010, the state experienced just 41 tremors.

Fracking can negatively impact air and water quality in fracked areas. Fact checked by Suzanne Kvilhaug. Reviewed by JeFreda R. Brown. The U.S. natural gas industry has enjoyed re ...

Earthquakes began occurring more frequently in southern Kansas and Oklahoma in 2013 after an increase of hydraulic fracturing, or fracking, in which high-pressure liquid is used to fracture ...

HELENA, Okla. – The US Geological Survey reports a 4.0 magnitude earthquake stuck northwestern Oklahoma early Friday. The USGS says the quake was recorded at 12:27 a.m., 12 miles northeast of ...