The Oklahoma Corporation Commission (OCC) on Tuesday ordered oil and natural gas wastewater disposal wells operating within six miles of a 4.5 magnitude earthquake that rocked central Oklahoma on Monday to be shut down indefinitely.

The OCC’s Oil and Gas Conservation Division issued the formal directive as part of its continuing response to the quake that occurred in the Clyde area of Grant County. Seven wells are impacted by the directive, with four that were injecting.

OCC also indicated that Arbuckle formation’s disposal wells operating within six to 10 miles of the earthquake’s epicenter are to be restricted to their 30-day reported average volume or 500 b/d, whichever is less.

The U.S. Geological Survey (USGS) also reported a 2.5 magnitude aftershock midday Monday...