Elections and political parties in Tuvalu scale of the 15 seat parliament, Tuvalu has no political parties, meaning that the political system in Tuvalu exhibits the traits of a Non-partisan democracy. During the time Tuvalu was a British dependency the parliament was called the House of the Assembly or "Fale I Fono". Following independence in October 1978 the House of the Assembly was renamed the Parliament of Tuvalu or "Palamene o Tuvalu". As a consequence of the Ellice Islands self-determination referendum, 1974, separation occurred in two stages. The Tuvaluan Order 1975, which took effect on 1 October 1975, recognised Tuvalu as a separate British dependency with
Geology of the Pacific Ocean Plate in the north, the Cocos Plate off today's Central America, and the Nazca and Phoenix Plates in the southern Pacific. Charles Darwin had proposed a theory of the slow subsidence of the ocean floor based on his studies of Pacific oceanic islands, seamounts (underwater volcanoes) and guyots (flat-topped seamounts). His observations have been verified and expanded in the development of plate tectonic theory. The tectonic plates continue to move today. The slowest ridge spreading rate is across the Gakkel Ridge in the Arctic Ocean which separates at less than 2.5 cm/yr while the fastest, across the East Pacific Rise