Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| Ryukyu Trench  | |
|---|---|
| BT | Pacific Ocean | 
| .North Pacific | |
| ..Northwest Pacific | |
| ...Philippine Sea | |
| ....Ryukyu Trench | |
| RT | Ryukyu Islands | 
| SN | NW Philippine Sea. This term has multiple hierarchies. Added to Thesaurus in 1989. |