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 The Baracuda-style naval patrol, search and rescue vessel, Thunder Child, completed the route in 34 hours, 1 minute, and 47 seconds. Set on an anti-clockwise direction, the new record – the first of its kind - is now subject to ratification by Irish Sailing and the Union Internationale Motonautique, the world governing board for all powerboat activity. The UK claims Rockall along with a territorial sea around the islet inside the country's exclusive economic zone (EEZ). The UK also claims "a circle of UK sovereign airspace over the islet of Rockall". The UK claimed Rockall on 18 September 1955 when