Aniakchak may refer to:
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Aniakchak National Monument and Preserve
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Mount Aniakchak
Mount Aniakchak (russian: Аниакчак) is a 3,700-year-old volcanic caldera approximately in diameter, located in the Aleutian Range of Alaska, United States. Although a stratovolcano by composition, the pre-existing mountain collapsed in ...
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Aniakchak River
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