Deepest Points in the World’s Oceans

The ocean’s deepest trenches and deeps (all in the hadal zone >6,000 m):

1. Challenger Deep (10,911 m) – Mariana Trench, western Pacific.
2. Puerto Rico Trench (8,605 m) – Atlantic, north of Puerto Rico.
3. Cape Johnson Trough (8,583 m) – Arctic, north of Greenland.
4. Kairei Deep (8,501 m) – Pacific, south of Japan.
5. Sunda (Java) Trench (7,729 m) – Indian Ocean, south of Java.
6. Diamantina Fracture Zone (7,527 m) – South Atlantic, southwest of Africa.
7. Molloy Deep (7,434 m) – South Atlantic, northeast of South Georgia.
8. Romanche Trench (7,258 m) – North Atlantic, southeast of Newfoundland.
9. New Britain Trench (7,050 m) – South Pacific, east of New Britain.
10. San Cristobal Trench (7,006 m) – Southeastern Pacific, off Peru.

These extreme depths host unique life adapted to crushing pressure, darkness, and cold.