3 ms·
A large enough tsunami could travel up the Columbia a significant distance. Even a town like Rainier could be at risk though Portland should be fine. I think t
by brewdad 4y ago
A large enough tsunami could travel up the Columbia a significant distance. Even a town like Rainier could be at risk though Portland should be fine.
I think the "everything west of I-5 will be toast" refers more to Seattle, where all of downtown is built on fill pulled from the Sound 100+ years ago. For everyone else, the biggest risk is being completely cut off when all of the bridges fail.