Southwest Pacific Basin
The Southwest Pacific Basin lies east of New Zealand and the Kermadec–Tonga Trench. It is bounded in the east by the East Pacific Rise, in the south by the Pacific–Antarctic Rise, and in the north by the Polynesian island chains. The Louisville Ridge is the only significant chain of seamounts and much of the basin floor is an abyssal plain. There are extensive deposits of manganese in the northern and southern parts of the basin.
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- Area 8.9 million square miles (23 million square km)
- Maximum Depth 18,500 ft 95,655 m)
- Inflows Pacific Ocean, Southern Ocean