King's Trough 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 the Antialtair seamount and the Crum seamount complex. Various explanations for the complex have been suggested, ranging from compression a former plate-boundary, transform faulting or
Rockall Bank dispute Government declared that "The United Kingdom's fishery limits will need to be redefined based on St Kilda, since Rockall is not a valid base point for such limits under Article 121(3) of the Convention." This is the only example to date of a state voluntarily downgrading an insular feature to "a rock" and thus reducing the area of its claimed maritime zones. Rockall is within the Exclusive Economic Zone (EEZ) claimed by the United Kingdom. In 1997, the UK ratified the United Nations Convention on the Law of the Sea and thus relinquished any claim to an extension of its