Reminder: The Mariana Trench in the Pacific Ocean is deeper than Mount Everest is tall. The deepest section of the Mariana Trench, named Challenger Deep, is at a depth of 36,000 feet. For perspective, Mount Everest is 29,000 feet tall. Located east of the Philippines, the Mariana Trench is also massive. It is 120 times larger than the Grand Canyon and includes millions of acres virtually unknown to humans. In January of 2009, the Marianas Trench Marine National Monument was established. On the s

The Mariana Trench: All You Need to Know - Ocean Info

Explorer Reaches Bottom of the Mariana Trench, Breaks Record for Deepest Dive Ever

The new age of ocean exploration

Curious about how and why scientists map the ocean floor? Learn more about bathymetry: the study of underwater floors in oceans, rivers, or lakes! Just like dry land, the surface of the seafloor is not always flat––it can have coral reefs, mountainous ridges, deep canyons, and many other features that can be revealed in bathymetric data. Check out our latest ocean fact to learn more about what bathymetry is and why it is important: https://oceanexplorer.noaa.gov/facts/bathymetry.html | NOAA Ocea