Fracking wastewater causes Ohio earthquakes

The solid earth is riddled with faults. Each fault is a plane of weakness in the rocks that make up the outer rind of the Earth. Some of those faults have been mapped by geologists, but others are unknown to even the most advanced science we have today. And now, courtesy of officials in Ohio, at least one state of the union is going to have new regulations that could hold energy companies to account for some “side effects” caused by previously unknown faults.

The tale hinges on fracking, the nickname given to injecting water, sand and chemicals at high pressure into the Earth to break up shale...