1. This trench, also called the Sunda Double Trench, is a deep submarine depression in the eastern Indian Ocean. It reaches a maximum depth of 24,440 feet and is the deepest trench of the Indian Ocean. Philippine Trench Java Trench Mindanao Trench Ryukyu Trench

2. This trench is a submarine depression in the North Atlantic Ocean. It is parallel to the northern coast of the Caribbean island after which it is named. Cuba Trench Cayman Trench Puerto Rico Trench Jamaica Trench

3. This is the deepest trench of the South Atlantic Ocean. It is named after a British island group. Falkland Trench South Georgia Trench South Shetland Trench South Sandwich Trench

4. This is the deepest trench of the Pacific Ocean, and also of the world. Maximum depth is 36,198 feet. Philippine Trench Mariana Trench Tonga Trench Yap Trench

5. This trench in the west Pacific reaches a maximum depth of 34,578 feet. It is situated in a sea and near a country with the same name as the trench. Japan Trench New Britain Trench Bougainville Trench Philippine Trench

6. This trench north east of New Zealand reaches a maximum depth of 32,964 feet. Kermadec Trench Tonga Trench Bougainville Trench New Britain Trench

7. This is the name of any of several deeps in the Pacific Ocean off the east coast of Japan. Answer: (Two Words)

8. This trench extends north-northeast from the North Island of New Zealand. Its maximum depth is 32,000 feet. Kermadec Trench Tonga Trench Bougainville Trench New Britain Trench

9. This trench is a deep submarine depression in the western Pacific. It extends from offshore central Kamchatka, Russia to Hokkaido, Japan. Kuril Trench Ryukyu Trench Japan Trench Izu-Bonin Trench

10. This trench, also called the West Caroline Trench, is a deep submarine trench located in the western Pacific. It is named after an island group. Maximum depth is 27,976 feet. Yap Trench Palau Trench Bougainville Trench Kermadec Trench

11. This trench is a narrow submarine depression lying near the Equator in the mid-Atlantic Ocean. It reaches a maximum depth of 24,455 feet. Romanche Trench Puerto Rico Trench South Sandwich Trench Cayman Trench

12. This trench, also called the Bartlett Deep, is a relatively narrow submarine trench on the floor of the western Caribbean sea between Jamaica and the island group after which it is named. Answer: (Two Words)

13. This trench in the South Pacific Ocean is named after two South American countries. Peru-Chile Trench Ecuador-Peru Trench Colombia-Ecuador Trench Chile-Argentina Trench

14. This trench is situated east of Japan, south of the Japan Trench, and is named after a Japanese island group. Marianas Trench Kuril Trench Bonin Trench Ryukyu Trench

15. This trench in the north Pacific Ocean is named after a US island group and reaches a maximum depth of 26,574 feet. Aleutian Trench Yap Trench Marianas Trench Kuril Trench