A major, 7.0-magnitude earthquake struck in the South Pacific Ocean on Monday, according to the United States Geological Survey. The quake prompted a brief “Tsunami Threat” for Tonga. Preliminary ...

Newsweek's weekly update maps aircraft carrier movements ... was underway in the Seventh Fleet's area of operations, which covers the Western Pacific Ocean and the Eastern Indian Ocean.

After suspecting the presence of a series of underwater volcanoes near the Cook Islands, researchers have now mapped out the ...

The deepest known area of the ocean is the Mariana Trench in the Pacific. It is nearly 11,000 metres deep. It is so deep that if you put Mount Everest, the world’s tallest mountain, at the ...