Top 10 list of World's Deepest Ocean Trench ::
(S.No.) ( Name ) ( location ) ( depth in meter )( 1 ) ( Challenger Deep) ( Mariana Treanch , Pacific Ocean )( 11,033 m )
( 2 ) ( Tonga Trench) (Pacific Ocean ) ( 10,882 m )
( 3 ) ( Galathea Depth )(Philippine Trench, Pacific Ocean )( 10,540 m )
( 4 ) ( Kuril-Kamchatka Trench ) (Pacific Ocean ) ( 10,500 m )
( 5 ) ( Kermadec Trench ) (Pacific Ocean )( 10,047 m )
( 6 ) ( Izu-Ogasawara Trench) (Pacific Ocean ) ( 9,780 m )
( 7 ) ( Japan Trench) (Pacific Ocean ) ( 9,000 m )
( 8 ) ( Puerto Rico Trench) ( Atlantic Ocean ) ( 8,605 m )
( 9 ) ( Yap Trench) (Pacific Ocean ) ( 8,527 m )
( 10 ) ( South Sandwich Trench) ( Atlantic Ocean ) ( 8,428 m )
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