Report of the debris flow in the Ushironagane valley on Mount Iwaki in Aomori Prefecture, Japan.

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  • 平成25年9月16日に岩木山後長根沢で発生した土石流の踏査報告
  • 災害報告 平成25年9月16日に岩木山後長根沢(うしろながねざわ)で発生した土石流の踏査報告
  • サイガイ ホウコク ヘイセイ 25ネン 9ガツ 16ニチ ニ イワキサン ゴチョウ コン サワ(ウシロ ナ ガ ネ ザワ)デ ハッセイ シタ ドセキリュウ ノ トウサ ホウコク

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Abstract

A debris flow occurred on September 16, 2013, on Mount Iwaki, located in Aomori Prefecture, Japan. The debris flow occurred specifically in the Ushironagane Valley on Mount Iwaki, east of the Kurasuke Valley, where in 1975 a catastrophic debris flow took place. While this year’s debris flow did not cause as much damage, we have decided to survey the impacts of this debris flow. Field survey was conducted on September 20, four days following the debris flow.

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