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The Volcano Islands (火山列島, Kazan Rettō) or Iwo Islands (硫黄列島, Iō-rettō) are a group of three Japanese-governed islands in Micronesia. They lie south of the Ogasawara Islands and belong to the municipality of Ogasawara, Tokyo , Tokyo Metropolis , Japan.
Volcanic islands usually range in size between 1 and 104 square kilometres (0.4 and 40 sq mi). [2] Islands above a certain size usually have fresh groundwater, while low islands often do not, so volcanic islands are more likely to be habitable.
The Aleutian Islands (/ ə ˈ l uː ʃ ən / ⓘ ə-LOO-shən; [2] [3] Russian: Алеутские острова, romanized: Aleutskiye ostrova; Aleut: Unangam Tanangin, "land of the Aleuts"; possibly from the Chukchi aliat, or "island")—also called the Aleut Islands, [4] Aleutic Islands, [5] or, before 1867, the Catherine Archipelago—are a chain of 14 main, larger volcanic islands and 55 ...
Treasure Madness has just released another map exclusively to fans of their application - the Volcano Island map. This map is brimming with treasure, with 446 searchable tiles. The treasure and ...
The Aleutian Trench, formed by the subduction of the Pacific plate under the North American plate, sits south of the island arc. [2] A forearc basin reaching depths of 7 km occupies the space between the trench and the island arc and leads up to the Aleutian Ridge, the north side of which being the area where the most volcanic activity occurs. [2]
Andesite and basaltic andesite are the most abundant volcanic rock in island arc which is indicative of the calc-alkaline magmas. Some Island arcs have distributed volcanic series as can be seen in the Japanese island arc system where the volcanic rocks change from tholeiite—calc-alkaline—alkaline with increasing distance from the trench. [15]
Canary Islands (top-left, ringed in red) in relation to Africa Map of the Canary Islands. The Canary Islands are a 450 km-long (280 mi), east-west aligned archipelago of volcanic islands in the eastern part of the North Atlantic Ocean, 100–500 km (60–310 mi) off the coast of Northwest Africa. [5]
Map of the Izu Islands. The Izu Islands (伊豆諸島, Izu-shotō) are a group of volcanic islands stretching south and east from the Izu Peninsula of Honshū, Japan. [1] Administratively, they form two towns and six villages; all part of Tokyo Prefecture. The largest is Izu Ōshima, usually called simply Ōshima.