 How has the new Nebraska Sea changed the climate in America?
It has happened a hundred times in the long history of Earth—and, sooner or later, will happen again! They found themselves on the scene of what was fast becoming the most violent and widespread earthquake North America—probably the world—has ever seen in historic times. To describe it in the simplest terms, land east of the Fault was settling, and at a precipitous rate. East, where sharp reports and muffled wheezes told of continued buckling and dropping, the earth trembled downward. At the rate things were going, there might be a new lake the entire length of El Paso and Pueblo Counties.
 It's brought on much warmer, more tolerable weather.
 Because everything is now along a coastline, it's much cooler.  For most of the states, it's about the same.  It's much muggier in many places now, and unlivable in others.  It's brought on much warmer, more tolerable weather.