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
Nansen passport people's being without passports, or even nations to issue them, which prevented much international travel. The first Nansen passports were issued following an international agreement reached at the Intergovernmental Conference on Identity Certificates for Russian Refugees, convened by Fridtjof Nansen in Geneva from July 3, 1922, to July 5, 1922, in his role as High Commissioner for Refugees for the League of Nations. By 1942, they were honoured by governments in 52 countries. Approximately 450,000 Nansen passports were provided to stateless people and refugees who needed travel documents but could not obtain one from a national authority. The Nansen passport