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Huaynaputina
Huaynaputina ((:wainapuˈtina), Pronounced: ; from , meaning "Young Volcano") is a stratovolcano in a volcanic upland in southern Peru. The volcano does not have an identifiable mountain profile, but instead is a large volcanic crater. It has produced high-potassium andesite and dacite.〔(【引用サイトリンク】title=The Geochemistry of Huaynaputina Volcano, Southern Peru )〕 On 19 February 1600, it exploded catastrophically (Volcanic Explosivity Index () 6), in the largest volcanic explosion in South America in historic times. The eruption continued with a series of events into March. An account of the event was included in Fray Antonio Vázquez de Espinosa's ''Compendio y Descripción de las Indias'', which was translated into English as ''Compendium and description of the West Indies'' in 1942.
==Geography and structure==
Huaynaputina lies in Southern Peru's Moquegua Region, southeast of Arequipa.〔 The volcano is part of the Central Volcanic Zone, the segment of the Andes running through Peru and Chile.〔Oliver, et al., pg. 609.〕 It is north of at least one more caldera complex with a resurgent dome.〔
Despite the volcano's listed elevation of , Huaynaputina has very little prominence, less than .〔 The mountain resides within a horseshoe-shaped crater in width,〔McCoy and Heiken, pg. 16.〕 and includes three deep cones which formed from ash fallout of the 1600 eruption.〔 Another external vent formed a maar just outside the caldera.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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