A hydraulic fracturing, or fracking, site as seen from the air near Fort St. John, B.C. JeremyWilliams.ca

B.C. regulator says fracking caused earthquakes near Fort St. John

Hydraulic fracturing involves injecting water, sand and chemicals into a well under pressure to break up tight underground rock and free trapped oil and gas.

The B.C. Oil and Gas Commission has blamed fracking for three earthquakes in northeastern B.C. last month.

The provincial regulator says the events 20 kilometres south of Fort St. John on Nov. 29 occurred because of fluid injections during hydraulic fracturing at a Canadian Natural Resources Ltd. wellsite.

The events, which were felt but caused no surface damage, measured 3.4, 4.0 and 4.5 magnitude.

Fracking operations within the lower Montney formation were suspended after the earthquakes and are to remain suspended at the multi-well pad involved pending the results of a detailed technical review.

The commission says seven wells into the upper Montney formation had previously been drilled and completed by the Calgary-based company at the well pad with no seismic events larger than magnitude 2.5 detected.

The immediate shut down of operations is required when an induced seismic event in that region reaches or exceeds a 3.0 magnitude.

Hydraulic fracturing involves injecting water, sand and chemicals into a well under pressure to break up tight underground rock and free trapped oil and gas.

Read more: 4.5 magnitude earthquake strikes near Fort St. John

Read more: Northeast B.C. community cut off by slide has heat, power, but no answers

Companies in this article: (TSX:CNQ)

The Canadian Press

Like us on Facebook and follow us on Twitter.

Get local stories you won't find anywhere else right to your inbox.
Sign up here

Just Posted

High-rise hotel proposed for downtown Victoria location

A 15-storey hotel could be coming to the Fort and Blanshard streets area

Consumer bankruptcies down in Greater Victoria

More residents are making alternative arrangements to settle their debts

Restrictions on unrelated occupants dominates Saanich council meeting

Saanich council sends issue of unrelated occupancy limits to public hearing

Advocates call hospital parking fees a ‘shakedown’ after learning most Island tickets are waived

Victoria General and Royal Jubilee hospitals among the most ticketed on the Island

VIDEO: Trudeau insists Iran respect families’ wishes when it comes to burials

All 176 people on board the Ukraine International Airlines flight PS752 were killed

Greater Victoria Crime Stoppers wanted list for the week of Jan. 21

Greater Victoria Crime Stoppers is seeking the public’s help in locating the… Continue reading

Four things ‘not’ to do if you run into Prince Harry and Meghan in B.C.

Here is a list of some things you definitely should NOT do, according to the BBC

Successful end to search for kayakers along the Island river

Father and son located tired and cold, but otherwise OK

Vancouver Island man arrested after police seize suspected illicit drugs in Nanoose Bay

Car impounded after Port Alberni driver clocked travelling at more than twice the posted speed limit

Theo the 800-pound pig trimmed down and still looking for love on Vancouver Island

“He’s doing really well, lost quite a few pounds and can run now.”

Horgan unveils B.C. cabinet shuffle changes

Premier John Horgan has made three major changes to his cabinet

Dog reunited with Tofino owner, months after being taken from beach

Shannon Boothman ‘ecstatic’ at pet’s return after a tip leads to social media search

Most Read