Far as I know--- 8km(that is including trenches.
The greatest known depth which lies in the Pacific Ocean is the Mariana Trench which has a depth of 35,797 ft/10,911 meters.
The Pacific
the middle, between the ocean
11,000 to 10,500 meters in the Pacific Ocean. 8600 meters in the Atlantic Ocean. 8000 meters in the Indian Ocean.
It is the Mariana Trench, located a little bit outside of Japan.
The Southern Ocean's greatest depth of 7,236 m (23,740 ft) occurs at the southern end of the South Sandwich Trench, at 60°00'S, 024°W.
The Mariana Trench in the western North Pacific Ocean is the deepest point in the world, reaching a depth of 10,911 metrers (35,768 ft).PIEPIEPIEPIEPIEPIE
The average depth of the ocean is about 2.5 miles.
The average depth of the Indian ocean is I dont know honestly
Depth is a measure of distance between the surface and the ocean floor.
The Atlantic Ocean covers an area of approximately 41 million square miles (106 million square kilometers), making it the second-largest ocean in the world. It extends from the Arctic Ocean in the north to the Southern Ocean in the south, and its average depth is about 10,930 feet (3,332 meters). The ocean's greatest depth, known as the Puerto Rico Trench, reaches about 27,493 feet (8,376 meters).
Indian Ocean