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Earthquakes Triggered by Fracking Wastewater in Oklahoma

CBC:

A new study explains how just four wells forcing massive amounts of drilling wastewater into the ground are probably shaking up Oklahoma.

Those wells seem to have triggered more than 100 small-to-medium earthquakes in the past five years, according to a study published Thursday by the journal Science. Many of the quakes were much farther away from the wells than expected.

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