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Mount Kaguyak : ウィキペディア英語版 | Mount Kaguyak
Mount Kaguyak is a stratovolcano located in the northeastern part of the Katmai National Park in Alaska. The 2.5 km wide caldera is filled by a more than 180 m deep crater lake. The surface of the crater lake lies about 550 m below the rim of the caldera. Postcaldera lava domes form a prominent peninsula in the center of the lake. The volcano is 901 m high and hosts a spectacular view because it rises from lowland areas near sea level in the south of the Big River. Based on radiocarbon dating the caldera-forming eruption occurred about 5800 years before present.〔http://www.springerlink.com/content/p7320l57357p1113/〕 During this eruption at least 120 square kilometers were covered in a dacitic ignimbrite.〔http://www.springerlink.com/content/p7320l57357p1113/〕 ==See also==
* List of volcanoes in the United States of America
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Mount Kaguyak」の詳細全文を読む
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