KnowraTonga TrenchLinked fromLinked fromThe 6 pages that link to Tonga Trench, each with the reason it gives.All 6Broader topic 4Related 1Compared with 1Oceanic trenchBroader topic: It illustrates how fast-moving subduction can shape trench systems.Hadal zoneBroader topic: Its extreme depths provide a second major setting for hadal ecosystems.Wadati–Benioff zoneBroader topic: Its rapid subduction produces the deepest seismicity known, near 700 km.Slab rollbackBroader topic: Rapid trench retreat there provides a well-studied oceanic example of rollback.