Tremors in Paradox Basin likely caused by deep well injection of water

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From the Grand Junction Daily Sentinel (Gary Harmon):

Officials with the U.S. Bureau of Reclamation said the movements are to be expected when brine that is taken from the river is blasted through a well into a deep layer of rock. The activity on Saturday and Sunday struck an odd note, officials said, because the bureau’s Paradox Valley Unit has been shut down, as it is twice a year. Paradox Valley is so named because it runs east-west against the southerly run of the Dolores River. The valley was formed by the collapse of a salt dome. The tiny temblors of 2.7 and 2.8, respectively, on the Richter scale “fell within our normal area of seismic activity” near the well, so officials believe they were part of the project, said Brad Dodd, chief of the facility maintenance group of the bureau’s western Colorado office in Durango.

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