Gilbert and Ellice Islands Ellice Islands", which replaced laws created during the BWTP. The Phoenix Islands were added to the colony in 1937. Banaba Island (Ocean Island) remained the headquarters of the colony until the British evacuation in 1942 during the Pacific War when Ocean Island and the Gilbert Islands were occupied by the Japanese. The United States forces landed in Funafuti on 2 October 1942 and on Nanumea and Nukufetau in August 1943 and constructed an airfield on each island and other bases. The atolls of Tuvalu acted as a staging post during the preparation for the Battle of Tarawa and the Battle
Geology of the Pacific Ocean existed. In a remote region of the central Pacific Ocean, at the southeastern section of the Gilbert Islands, a major swarm of intraplate earthquakes occurred between December 1981 and March 1983, with no prior seismicity having been reported in this region previously. Another swarm was detected on the Queen Charlotte Islands fracture zone in August–September 1967. The Pacific Ocean contains several long seamount chains, formed by hotspot volcanism. These include the Hawaiian–Emperor seamount chain, the Tasmantid Seamount Chain, the Lord Howe Seamount Chain and the Louisville Ridge. Geology of the Pacific Ocean The Pacific Ocean evolved in the Mesozoic from