Research suggests hydraulic fracking can cause earthquakes in at least two ways – and one of them can cause tremors months after the activity stops.
http://www.huffingtonpost.ca/2016/11/17/fracking-earthquakes_n_13055788.html
Research suggests hydraulic fracking can cause earthquakes in at least two ways – and one of them can cause tremors months after the activity stops.
http://www.huffingtonpost.ca/2016/11/17/fracking-earthquakes_n_13055788.html