The British Columbia Oil and Gas Commission has confirmed that magnitude 4.6 earthquake in the Northeast August 17th was caused by hydraulic fracturing, also known as fracking.
A bulletin from the commission says the seismic event, the largest linked to fracking, occurred due to fluid injection at a well site 114 km outside Fort St. John.
At the time the shaking was felt, the commission says crews from Progress Energy were wrapping up a fracturing operation at a wellbore located within a kilometre of quake’s epicentre.
Progress Energy, which is owned by Malaysia’s Petronas, would supply natural gas to the proposed Pacific NorthWest LNG terminal near Prince Rupert.
Progress Energy, in a statement issued to the Canadian Press, says it takes the issue very seriously and has 17 monitoring stations in the region to detect and keep track of seismic activity.