The Cascadia Initiative (CI) is a community designed and implemented onshore/offshore seismic and geodetic network deployed along the Cascadia subduction zone from northern California to Vancouver Island (Toomey et al., 2014). The goal of the initiative was to investigate a variety of questions related to megathrust earthquakes (e.g., Atwater et al., 1995), episodic tremor and slip (e.g., Rogers and Dragert, 2003), volcanic arc structure (e.g., Parsons et al., 1998), and the overarching interactions between the Juan de Fuca and Gorda plates. The CI operated from 2011 to 2015 and was funded by...

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