The Ring of Fire is home to the deepest ocean trench, called the Mariana Trench. Located east of Guam, the 7-mile-deep Mariana Trench formed when one tectonic place was pushed under another.

This story appears in the June 2013 issue of National Geographic ... craft in a deep seafloor trench off the coast, a shakedown run for the big dive to come in the Mariana Trench.

NT: This is the Mariana Trench, off of the Philippines. SE: That’s right. The first excursion was Jacques Piccard and Don Walsh in 1960. Then in 2012, filmmaker [and National Geographic Explorer ...

The world's oceans are big and dark and deep. They cover approximately 70% of the planet’s surface and contain a huge portion of Earth’s biodiversity. If you want to find some of the weirdest ...

The mission was nothing less than to build a submarine that could take James to the deepest-known point in the Earth’s seabed – the Mariana Trench, with a depth of ... Goldrick (Editor-in-chief at ...

Scientists first detected the unusual noises in 2014 while using underwater gliders to carry out an acoustic survey of the ...

At ocean-ocean convergences, one plate usually dives beneath the other, forming deep trenches like the Mariana Trench in the North Pacific Ocean, the deepest point on Earth. These types of ...

China live-streamed footage of its new manned submersible parked at the bottom of the Mariana Trench on Friday ... had earlier this month set a national record of 10,909 meters for manned deep ...