Although it has long been understood that injection of fluids into the subsurface can activate slip on a fault (e.g., Healy et al., 1968), seismicity induced by fluid injection associated with oil and gas operations has recently come into sharper focus (Ellsworth, 2013; Keranen et al., 2013; Schultz et al., 2014). Since December 2013, anomalous seismicity of magnitude up to ML 4.4 has occurred episodically in parts of Alberta, Canada. In the Crooked Lake (CL) area of west‐central Alberta, induced seismicity appears to be spatially and temporally correlated with hydraulic fracturing,...

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