KnowraPuerto Rico TrenchLinked fromLinked fromThe 5 pages that link to Puerto Rico Trench, each with the reason it gives.All 5Broader topic 2Related 2Compared with 1Caribbean SeaBroader topic: It records subduction and plate-boundary deformation near the basin's northeastern edge.Caribbean PlateBroader topic: Subduction and oblique convergence along the northern boundary shape this trench.