Oklahoma Quake Matches Record Even After Fracking Waste Restricted

Updated on
  • Tremor of 5.6 magnitude was felt from Texas to Illinois
  • Regulator ordered suspension of about 37 disposal wells

Oklahoma registered one of its biggest earthquakes Saturday even after state regulators have beefed up limits on disposing oilfield waste and the rate of tremors had started to slow somewhat from unprecedented levels last year.

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