During Skydark the American West with the coastline was completely sculpted by the soviet 'earthshaker' bombs.
Volcanoes along the Cascades triggered by ICBMs Land subsidence creates sizzling lagoons, fjords. Salt lake city was now beneath the waters of a lake. Los Angles and many of the other coastal cities disappeared beneath the waves of the Pacific, or became island chains. Seattle, even though it was hit during the war, eventually grew to become on of the biggest trading centers in the Deathlands, where many people who call themselves traders would stop by to ply their trade.