The Fiji Islands are part of an island arc formed by an ancient subduction zone, but the subduction zone is no longer active. At present, they are located in the backarc zone corresponding to the North New Hebrides and New Hebrides Trenches, in an area characterized by several small ocean basins with developing sea-floor spreading rifts. These include the Lau Basin to the east and the North Fiji Basin to the west of Fiji.
|Taveuni volcano is a massive, elongated basaltic shield volcano, which forms the 40 km long Tavenui Island, the 3rd largest of the Fiji Islands. Tavenui is known as the "Garden Island" because of its rich volcanic soils.
Tavenui volcano has had at least 36 eruptions since ... [more]
|Koro volcano is a group of young basaltic cinder cones on 16x9 km wide Koro Island between Viti Levu and Vanua Levu, Fiji. Some of the cones are possibly less than 10,000 years old. [more]
|Nabukelevu volcano is an andesitic-dacitic lava dome complex at the SW end of Kadavu Island, Fiji. Its summit is called Mt. Washington. There are flat lava flows at Cape Washington on the west coast and at the Talaulia Bay on the NE coast.
A main hazard from the volcano are... [more]