北海道三大地震による斜面変動

書誌事項

タイトル別名
  • Slope Movements Caused by The Three Large Earthquakes of Hokkaido, 1993-1994
  • ホッカイドウ サンダイジシン ニ ヨル シャメン ヘンドウ ジシン ニ ヨル ヘンドウ シャメン ノ トクチョウ
  • Characteristics of Damaged Slope
  • 地震による変動斜面の特徴

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抄録

Three large earthquakes of Kushiro-oki 1993, Hokkaido-nansei-oki 1993 and Hokkaido-toho-oki 1994, induced many landslides in Hokkaido. We review the topographic and geologic environments, types, and morphologic features of the landslides. Large varieties of type, scale, length of runout and degree of rupture of sliding body characterize the earthquake-induced slope movements. There were some remarkable features as vertical cracks of main scarp and shattered earth formed by the earthquake vibration in each damaged slope. Most rockslides were bench-like shape and their length was shorter than width. These features of damaged slope may be useful index for slope assessments, disaster investigation and paleoseismic analysis.

収録刊行物

  • 地すべり

    地すべり 35 (4), 26-33_1, 1999

    公益社団法人 日本地すべり学会

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