See one article on the threat to our compatriots to the north, Vancouver after the big one: 7.3-magnitude earthquake would kill nearly 10,000 and injure 128,000, experts say
The one thing missing on the United States side of our common border with Canada is a similar study of our capabilities that includes a call to action for government to pay more attention to our seismic risks and capabilities.
Note that the scenario used for the Vancouver event is a surface fault which is more destructive than a Cascadia subduction fault that is perhaps hundreds of miles away. The equivalent for Seattle is the Seattle Fault