New research has confirmed the link between wastewater from the gas drilling technique known as fracking and a series of earthquakes in Youngstown, Ohio. No earthquake had ever been recorded in Youngstown until an injection well began pumping wastewater from fracking sites deep into the ground for storage back in 2010. Over the next year, 109 earthquakes were detected. A new study published in the journal Geophysical Research Letters says the earthquakes corresponded with fluctuating activity at the well.