Home Energy and Environment Fracking, Suspected in Virginia’s Quake, Linked to Ohio Tremors

Fracking, Suspected in Virginia’s Quake, Linked to Ohio Tremors


frack-ohioAfter Virginia’s August 23rd earthquake, there was speculation about whether it was linked to nearby gas fracking. In the wake of a series of quakes in Ohio capped by a 4.0 rumbler on Saturday, officials aren’t being so cautious – they’re ordering nearby fracking wells to shut down:

The quake was the 11th over the last eight months in Mahoning County, all within two miles of the injection wells, he said. Saturday’s quake was the largest yet. A quake on Dec. 24 measured 2.4.

There is “little doubt” that the quake is linked to injection wells that the state and the owner agreed on Friday to shut down, [state geologist Michael C.] Hansen said. […]

The wells are among 177 in Ohio. Drilling wastes from Ohio and Pennsylvania are being pumped in increasing volumes into the wells for permanent disposal.

Geologists have long suspected that injecting liquids into underground rock formations can trigger earthquakes along fault lines. The liquids allow rocks to flow more easily past each other. Earthquakes have been linked to injection wells in Arkansas, West Virginia, Colorado and Texas.

Learn more about fracking from the Environmental Working Group, and how it cause earthquakes from the Christian Science Monitor’s Pete Spotts.


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