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| Iwaki (volcano) ： ウィキペディア英語版 |
Mount Iwaki
is a stratovolcano located in western Aomori Prefecture, Tohoku, Japan. It is also referred to as Tsugaru-Fuji from its shape. the mountain is listed as one of the 100 Famous Japanese Mountains in a book composed in 1964 by mountaineer/author Kyūya Fukada.〔(Hyakumeizan, Hiking Japan! ). Japan Gazetteer. Accessed June 27, 2008.〕 The mountain and its surroundings are located within the borders of Tsugaru Quasi-National Park.
==Geology==
Mount Iwaki is a roughly symmetrical andesitic stratovolcano, rising in relative isolation from the plains at the base of Tsugaru Peninsula. Its summit crater is two kilometers wide, and it has three lava domes on the western and southern flanks. The mountain has frequently been active in historic times, with very frequent activity consisting mostly of small to moderate phreatic explosions during the Edo period. The last known eruption was on March 23, 1863. Hirosaki University has maintained an observatory with a total of 18 telemetering stations on the mountain since 1981.〔http://www.wovo.org/0803_27.html〕
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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