Top Ten Deepest Parts of the OCEAN

The top four ocean trenches in this list are all 10 km deep or deeper. That's very deep!

1. Mariana Trench: 10.9 km

2. Tonga Trench: 10.8 km

3. Philippine Trench: 10.5 km

4. Kuril-Kamchatka Trench: 10 km

5. Kermadec Trench: 9.9 km

6. Izu-Ogasawara Trench: 9.7 km

7. Japan Trench: 9 km

8. Puerto Rico Trench: 8.6 km

9. South Sandwich Trench: 8.4 km

10. Peru-Chile Trench: 8 km

Source: MarineInsight.com