Multiple choice general knowledge history The deepest oceanic trench ?Mariana? is located in Atlantic Ocean Pacific Ocean Arctic Ocean Indian Ocean Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Mariana Trench, the deepest part of the world's oceans, is located in the Pacific Ocean near the Mariana Islands. It reaches a maximum depth of approximately 11,034 meters. The Atlantic, Arctic, and Indian Oceans do not contain this trench.