Oceanic trench the level of the surrounding oceanic floor. The greatest ocean depth measured is in the Challenger Deep of the Mariana Trench, at a depth of below sea level. Oceanic lithosphere moves into trenches at a global rate of about 3 km/yr. There are approximately of convergent plate margins, mostly around the Pacific Ocean—the reason for the reference “Pacific-type” margin—but they are also in the eastern Indian Ocean, with relatively short convergent margin segments in the Atlantic Ocean and in the Mediterranean Sea. Globally, there are over 50 major ocean trenches covering an area of 1.9 million km or about 0.5%
The Trench (comics) control the Trench. This was part of a deadly, yet successful, bid by Vulko to make Aquaman take on the role of King of the Atlanteans. The Trench appear in 2018 American superhero film "Aquaman". Atlanna is sacrificed to the Trench for having a half-breed son. Later in the film on their quest to find the lost trident of Atlan, Arthur Curry and Mera are attacked by a legion of amphibious monsters identified as Trench. They fend off the attack and reach a wormhole that transports them to an uncharted sea located at the center of the Earth. Later, Arthur