1. Where is "Aleutian Trench"?
South of the Aleutian Islands, west of Alaska
2. Where is "Bougainville Trench"?
South of New Guinea
3. Where is "Cayman Trench"?
Western Caribbean
4. Where is "Cedros Trench (inactive)"?
Pacific coast of Baja California
5. Where is "Hikurangi Trench"?
East of New Zealand
6. Where is "Hjort Trench"?
Southwest of New Zealand
7. Where is "Izu–Ogasawara Trench"?
Near Izu and Bonin islands
8. Where is "Japan Trench"?
East of Japan
9. Where is "Kermadec Trench"?
Northeast of New Zealand
10. Where is "Kuril–Kamchatka Trench"?
Near Kuril islands
11. Where is "Manila Trench"?
West of Luzon, Philippines
12. Where is "Mariana Trench"?
Western Pacific Ocean; east of Mariana Islands
13. Where is "Middle America Trench"?
Eastern Pacific Ocean; off coast of Mexico, Guatemala, El Salvador, Nicaragua, Costa Rica
14. Where is "New Hebrides Trench"?
West of Vanuatu (New Hebrides Islands).
15. Where is "Peru–Chile Trench"?
Eastern Pacific Ocean; off the coast of Peru & Chile
16. Where is "Philippine Trench"?
East of the Philippines
17. Where is "Puerto Rico Trench"?
The boundary of the Caribbean and Atlantic ocean
18. Where is "Puysegur trench"?
Southwest of New Zealand
19. Where is "Ryukyu Trench"?
Eastern edge of Japan’s Ryukyu Islands
20. Where is "South Sandwich Trench"?
East of the South Sandwich Islands
21. Where is "Sunda Trench"?
Curves from south of Java to west of Sumatra and the Andaman and Nicobar Islands
22. Where is "Tonga Trench"?
Near Tonga
23. Where is "Yap Trench"?
Western Pacific Ocean; between Palau Islands and Mariana Trench