Earthquakes only occur at transfer boundaries where two tectonic plates will slide or rub past each other.
If there are no boundaries in mid-America, then earthquakes are not possible.
The answer is underwater eathquakes.
Earthquakes are a shaking of the ground that when observed on earth, can cause many damages mainly on hills and mountainsides causing avalanches. When they occur underwater though, the water gets lifted (normally from the sea) and generates giant waves that can sometimes reach the coast.
Hope it helped,
BioTeacher101
To protect the cell and to let certain things go in and out of the cell
Answer: the purpose is to help eliminate harmful germs or bacteria and can help prevent food-borne illness.