In which ocean is the deepest trench located?

It is located in the Pacific Ocean, it is worth knowing that this is the largest ocean on our entire planet. Well, this gutter is called – the Mariana Trench. The existence of this depression was discovered at the end of the nineteenth century. Also, this depression is also called the “bottom of the world”. It is worth knowing that in the current period of time the bottom of this depression has been reached only four times. For the first time, a deep-sea bathyscaphe descended here in 1960. There is also an active volcano in this depression, it spews out sulfur.