The Mariana Trench is located in the ocean floor of the Western Pacific Ocean. The Mariana Trench is the deepest part of the world`s oceans, reaching a maximum depth of about 36,070 feet or 10,994 meters. It is located in the western Pacific Ocean, east of the Mariana Islands.
Option 1: Southern Atlantic Ocean - This option is incorrect. The Mariana Trench is not located in the Southern Atlantic Ocean.
Option 3: Eastern Pacific Ocean - This option is incorrect. The Mariana Trench is not located in the Eastern Pacific Ocean.
Option 4: Northern Atlantic Ocean - This option is incorrect. The Mariana Trench is not located in the Northern Atlantic Ocean.
In conclusion, the correct answer is Option 2: Western Pacific Ocean.