Chief Judicial Commissioner for the Western Pacific Chief Judicial Commissioner was renamed – no longer the Chief Justice of Fiji) and two puisne judges, one based in Port Vila, New Hebrides (now Vanuatu), and the other in Tarawa, Gilbert and Ellice Islands (now Kiribati and Tuvalu). Most of the island groups had gained either independence or internal self-government by 1971. On 2 January 1976 after nearly all had been given separate statehood, the office of High Commissioner and the entity of the Pacific Territories were abolished. The High Commission of the Western Pacific was abolished, the last archives being finally packed up in Honiara in August 1978.
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