Magnitude 3.0 earthquake recorded in northern Oklahoma

OKLAHOMA CITY (AP) – An earthquake has shaken parts of northern Oklahoma.

The U.S. Geological Survey says the earthquake was recorded shortly before 6 a.m. about 12 miles south-southeast of Tonkawa in Kay County.

Geologists say the magnitude 3.0 earthquake was recorded at a depth of about two miles. No damage or injuries was immediately recorded.

Geologists say earthquakes of magnitude 2.5 to 3.0 are generally the smallest that are felt by humans and that damage is not likely from earthquakes below magnitude 4.0.

The Oklahoma Geological Survey has said it is likely that earthquakes are being triggered by the injection of wastewater from oil and natural gas drilling operations. A coalition of environmental groups has called for a moratorium on the use of wastewater disposal wells in areas prone to triggered earthquakes.

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