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Less strong earthquakes in Oklahoma so far in 2017

OKLAHOMA CITY – Regulators and scientists say that the number of 3.0 magnitude or greater earthquakes in Oklahoma is declining.

The Oklahoma Geological Survey reports of the number of earthquakes of at least that size during 2017 was 294 and as of mid-December, in comparison with 624 total during 2016.

The geological survey has said that the song began to deteriorate in mid-2015 after the state corporation Commission began directing oil and gas producers to shut some wells and reducing the injection of the volumes in others.

The directive came after the quakes were linked to the underground injection of wastewater from their operations.

Geological Survey hydrogeologist Kyle Murray told The Oklahoman that researchers are learning a “trifecta” of injecting waste water too fast, the injection of too much and too close to the basement rock makes injection wells more likely to be the cause of earthquakes.

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Information from: The Oklahoman, http://www.newsok.com

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