Canada: Did Alberta Just Break Fracking Earthquake World Record?

Tyee: Hydraulic fracturing, a technology used to crack open difficult oil and gas formations, appears to have set off a swarm of earthquakes near Fox Creek, Alberta, including a record-breaking tremor with a felt magnitude of 4.4 last week. That would likely make it the largest felt earthquake ever caused by fracking, a development that experts swore couldn't happen a few years ago. Fracking operations in British Columbia's Montney shale generated similar seismic activity of that magnitude last year,......

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