Red Lake Nation News - Babaamaajimowinan (Telling of news in different places)

Earthquakes triggered by fracking, not just wastewater disposal, study finds

 


Hydraulic fracturing drives earthquakes in western Canada, according to research published Thursday in Science. The results defy the often-touted belief that the disposal of wastewater is the sole source of man-made earthquakes with fossil fuel extraction technique.

The small earthquakes “were always during or right after fracking, and they’re also confined to a limited area,” University of Calgary geophysicist, and co-author of the research paper David Eaton told NewsHour. Before fracking, the sparsely populated area in Alberta, Canada did not have a history of seismic activity.

http://www.pbs.org/newshour/rundown/earthquakes-triggered-by-fracking/

 

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