Tuvalu name Ellice was applied to all nine islands after the work of English hydrographer Alexander George Findlay. The Ellice Islands came into Great Britain's sphere of influence in the late 19th century, as the result of a treaty between Great Britain and Germany relating to the demarcation of the spheres of influence in the Pacific Ocean. Each of the Ellice Islands was declared a British Protectorate by Captain Gibson of between 9 and 16 October 1892. The Ellice Islands were administered as a British protectorate by a Resident Commissioner from 1892 to 1916, as part of the British Western Pacific
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