2009年2月25日以降の山形県鶴岡市七五三掛地すべりの再活動と移動状況の特徴(速報) Characteristics of Movements of the Reactivated Shimekake Landslide since 25^<th> February 2009 in Tsuruoka City, Yamagata Prefecture, Northeastern Japan : Flash Report

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 On February 25, 2009, damage was reported for the first time from the Shimekake landslide located in Yamagata Prefecture. Landslide activity has increased since April. The active landslide extends up the opposite bank of the Kariya River, and is 400 meters wide and 700 meters long. The authors have conducted field surveys several times since the beginning of April, and have begun displacement monitoring of the landslide using GPS. As a result, the main block of the north side of the Kariya River showed a direction of movement from south-southwest to south and the sub-block at the south side of the Kariya River showed a southeasterly movement. The rate of horizontal displacement was large at the lower side of the slope. It tended to accelerate after rainfall, and reached 15 cm/day in the sub-block. The existence of two or more slip surfaces is presumed in the sub-block based on the properties of cracks at the block boundary and the characteristics of movements of the landslide.

収録刊行物

  • 地學雜誌

    地學雜誌 118(3), 587-594, 2009-07-07

    公益社団法人 東京地学協会

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各種コード

  • NII論文ID(NAID)
    10030365976
  • NII書誌ID(NCID)
    AN00322536
  • 本文言語コード
    JPN
  • 資料種別
    SHO
  • ISSN
    0022135X
  • NDL 記事登録ID
    10386821
  • NDL 雑誌分類
    ZM41(科学技術--地球科学)
  • NDL 請求記号
    Z15-169
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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