Japan is part of the Pacific Ring of Fire, which explains why____.

A. Office buildings in Japan can be no taller than 10 stories
B. Japanese children take part in disaster preparedness drill at school
C. Many Japanese cities are located on Japan's eastern coasts
D. Tsunamis can travel the width of the Pacific in less than 24 hours

I think the answer is C, please correct me if I am wrong.

Thanks!