Canadian Earthquakes Determined to Be Caused by Oil Activity
Alberta’s oil sands are one of the world’s most carbon-intensive oil-producing regions. TORONTO—A series of recent earthquakes in Canada’s province of Alberta was caused by oil and gas activity in the region’s oil sands, a Canadian regulator and researchers from Stanford University said. The Alberta Energy Regulator said on Thursday that earthquakes that struck the Peace River region in northwest Alberta between Nov. 29 and March 16, were caused by Obsidian Energy Ltd, a Calgary-based oil and gas producer. A 5.6-magnitude temblor recorded in November was one of the largest-ever...