King's Trough even an oblique meteor impact. The trough, being in an apparently geologically stable region, has been studied as a possible location for radioactive waste disposal. King's Trough King's Trough is an undersea trough in the Atlantic Ocean. It is located on the east side of the Mid-Atlantic Ridge, northwest of the Açores-Biscay rise and roughly 400 km NNE of the Azores. It is about 400 km long, running in a NW–SE direction. To the east it branches into the Peake Deep and Freen Deep. The center depth is 4500 m. Surrounding the trough are high ridges and seamounts, such as
Rockall on its proximity to the Irish mainland, however the country has never formally claimed sovereignty over the rock. Although Rockall is closer to the UK coast than to the Irish coast, Ireland does not recognise the UK's territorial claim to Rockall, "which would be the basis for a claim to a 12-mile territorial sea". Ireland regards Rockall as irrelevant when determining the boundaries of the Exclusive Economic Zones (EEZ) as the rock is uninhabitable and in signing the United Nations Convention on the Law of the Sea (UNCLOS) in 1997, the UK has agreed that "Rocks which cannot sustain human