Challenger Deep is in the Pacific Ocean inside of the Marina Trench. It's just shy of 11,000 meters, or 6.7 miles, below the ocean surface. In July 2022, Wright and pilot and ocean explorer Victor ...

That year, on March 11, the magnitude 9.1 temblor deep within the Pacific Ocean unleashed a catastrophic tsunami that hit Japan, killing around 20,000 people and leaving half a million homeless.

A leak in the Pacific Ocean’s floor has scientists concerned it could fuel “the big one,” a magnitude-9.0 earthquake that would be one of the strongest earthquakes the U.S. has ever seen ...

Scientists probing the bottom of the Pacific Ocean made a surprising discovery: animals living underneath the seafloor in an area with volcanic activity. Giant tubeworms, which are known as the ...

Located in the Pacific Ocean 900 miles (1,448 kilometers) off the coast of Chile, the seamount is 1.9 miles (3,109 meters) tall and part of an underwater mountain range that is home to sponge ...