The recent claim (maybe 10 ya) was that Yakuza influence forced inspectors to sign off on foundations that were not sound. So they do not have the required pilings. I don't know how that could be fixed, but I don't assert it couldn't be. I assume if it is, it would have been done by now.
> ..Coastal areas in the region have prepared tsunami evacuation plans in anticipation of a possible future Cascadia earthquake.
> However, the major nearby cities, notably Seattle, Portland, Vancouver, Victoria, and Tacoma, which are located on inland waterways rather than on the coast, would be sheltered from the full brunt of a tsunami.
> These cities do have many vulnerable structures, especially bridges and unreinforced brick buildings; consequently, most of the damage to the cities would probably be from the earthquake itself.
> One expert asserts that buildings in Seattle are vastly inadequate even to withstand an event of the size of the 1906 San Francisco earthquake, let alone any more powerful one.
> Kenneth Murphy, who directs FEMA's Region X, the division responsible for Oregon, Washington, Idaho, and Alaska, put it quite dramatically: "Our operating assumption is that everything west of Interstate 5 will be toast."