Seismic spike: Oklahoma sees
Disposal wells eyed after Oklahoma quake
04 January 2016 10:54 GMT
Earthquake rattles Oklahoma
29 December 2015 07:11 GMT
Sandridge refuses to shut in Oklahoma wells
21 December 2015 09:20 GMT
Regulator: Fracking 'caused' BC quake
17 December 2015 06:07 GMT
Oklahoma shuts more wells after quakes
03 December 2015 10:57 GMT
By News reports
08 January 2016 23:45 GMT
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