Devil's Island (Kourou) Devil's Island (Kourou) Devil's Island (French: Île du Diable) is the third-largest island of the Salvation's Islands, an island group in the Atlantic Ocean. It is located approximately 14 km (9 mi) off the coast of French Guiana in South America just north of the town of Kourou. It has an area of 14 ha (34.6 acres). The island was a part of a controversial French penal colony located in French Guiana for 101 years, from 1852 to 1953. Although it was the smallest part of the penal colony, it is notorious for being used for internal exile of French
Geology of the Pacific Ocean Geology of the Pacific Ocean The Pacific Ocean evolved in the Mesozoic from the Panthalassic Ocean, which had formed when Rodinia rifted apart around 750 Ma. The first ocean floor which is part of the current Pacific Plate began 160 Ma to the west of the central Pacific and subsequently developed into the largest oceanic plate on Earth. The tectonic plates continue to move today. The slowest spreading ridge is the Gakkel Ridge on the Arctic Ocean floor, which spreads at less than , while the fastest, the East Pacific Rise near Easter Island, has a spreading rate of over