- Located in the Central Indian Ocean.
- A mid-ocean ridge system.
- Extends for about 2,000 kilometers.
2. Mid-Indian Ridge:
- A major undersea mountain range.
- Runs through the Indian Ocean from north to south.
3. Ninetyeast Ridge:
- A vast undersea mountain range in the Indian Ocean.
- Extends for about 5,000 kilometers along the Indian plate.
4. Wallaby Plateau:
- A large submarine plateau in the eastern Indian Ocean.
- Located about 2,000 kilometers west of Australia.
5. Kerguelen Plateau:
- A large submarine plateau in the southern Indian Ocean.
- Located near Antarctica.
6. Madagascar Ridge:
- A submarine ridge in the southwestern Indian Ocean.
- Extends from near Madagascar to the Maurice-Seychelles region.
7. Maldives Ridge:
- A long submarine ridge in the central Indian Ocean.
- Extends from the Chagos-Laccadive Ridge towards the Carlsberg Ridge.
8. Wharton Basin:
- A large undersea basin in the northeastern Indian Ocean.
- Located between Ninetyeast Ridge and the Java Trench.
9. Cocos Basin:
- A basin within the eastern Indian Ocean.
- Located between Ninetyeast Ridge and the Wharton Basin.
10. Crozet Basin:
- A large undersea basin in the southern Indian Ocean.
- Located near Antarctica.
