Alberta Geological Survey

• Regulator defends finding that Alberta’s largest earthquake was caused by oilpatch

  The release of the timeline comes three days after Obsidian Energy openly challenged the regulator's attribution of a 5.6 magnitude quake to the company's deep disposal well.

  Canada

  Mar 30, 2023
  
• Alberta Energy Regulator cites oil company for causing seismic events in Peace River area

  The largest recorded earthquake in Alberta's history was not a natural event, but most likely caused by disposal of oilsands wastewater, new research has concluded.

  Science

  Mar 23, 2023
  
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• Largest recorded Alberta earthquake probably natural, scientist says

  The largest earthquake ever recorded in Alberta, which rattled homes and nerves Tuesday, was probably due to natural causes, says a geologist.

  Environment

  Nov 30, 2022
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• Study defines link between fracking, earthquakes in northern Alberta

  Scientists have figured out how hydraulic fracking causes earthquakes in northern Alberta, but they have a way to go before they can use that knowledge to predict if it will cause temblors in other areas.

  Canada

  Jan 18, 2018
• Data shows fracking caused earthquakes near Fox Creek: U of A researcher

  A University of Alberta researcher says new data shows hydraulic fracturing in the Fox Creek area was the cause of multiple earthquakes in the northwestern Alberta region.

  Environment

  Feb 9, 2017