What's New A 7.3 magnitude earthquake struck off the coast of the South Pacific island nation Vanuatu on Tuesday. A tsunami ...

The U.S. sent one of its 11 aircraft carriers to the Philippine Sea, while another was at Yokosuka naval base in Japan.

Good luck finding Tuvalu on a map. The Pacific paradise, located between Australia and Hawaii, is one of the smallest countries in the world. Its nine tiny islands combine for just 10 square miles.