Fracking linked to 4.4 magnitude quake in Fox Creek

Alberta's provincial energy regulator says a significant earthquake in northern Alberta was likely caused by hydraulic fracturing.

If fracturing is confirmed as the cause, scientists say, it will have been the largest earthquake ever to result from an industrial operation.

Residents in the town of Fox Creek noticed the earthquake a week ago on Jan. 22. It was of 4.4 magnitude, severe enough to cause minor damage.