Earthquakes are known for being destructive forces of nature, but not all of them actually stem from purely natural causes.

An earthquake reported Thursday evening was felt across the Oklahoma City metro ... As before, there is no hydraulic fracturing in the area, and there are no oil and gas wastewater disposal ...

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.

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 ...