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Stronger Frackquakes Are On The Way, Scientists Warn
Stronger 'Frackquakes' Are On The Way, Scientists Warn | ThinkProgress
Stronger 'Frackquakes' Are On The Way, Scientists Warn | ThinkProgress
The man-made earthquakes that have been shaking up the southern United States only stand to get stronger and more dangerous as the controversial practice of hydraulic fracturing, or fracking, increases, scientists warned at a Thursday conference.
According to multiple reports, scientists attending the Seismological Society of America annual meeting agreed that fracking can change the state of stress on existing faults to the point of failure, causing earthquakes. That stress is generally not caused by fuel extraction itself, but by a process called wastewater injection, where companies take the leftover water used to frack wells and inject it deep into the ground.
Though it was previously believed that the man-made earthquakes could not exceed a 5.0 magnitude, many now say that larger quakes could become the norm as more and more water is stored underground.
I think ultimately, as fluids propagate and cover a larger space, the likelihood that it could find a larger fault and generate larger seismic events goes up, Western University earth sciences professor Gail Atkinson reportedly said at the meeting.
Because of this and other warnings, the U.S. government also announced on Thursday that it would begin to track the risks that these so-called frackquakes pose, and start including them on official maps that help influence building codes.







