Linked from
The 16 pages that link to Oceanic trench, each with the reason it gives.
Volcanic arcRelated: The trench marks the surface edge of the subduction system that feeds an arc.
Accretionary wedgeRelated: The wedge accumulates on the landward side of the trench.
Wadati–Benioff zoneRelated: The shallow end of the dipping seismic plane starts at the trench axis.
Challenger DeepNarrower topic: This landform creates the exceptional depth at Challenger Deep.
ForearcRelated: The trench marks the seaward edge of the forearc.
OceanBroader topic: Trenches are among the deepest features within ocean basins.
Ring of FireRelated: Trenches like the Peru–Chile and Mariana mark the outer edge of the ring.
Oceanic basinBroader topic: Trenches are deep boundary features where oceanic crust is consumed.
SeabedBroader topic: Trenches are the seabed’s deepest and most sharply defined depressions.