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Submarine Landslides on the Western Slope of the Kuril Basin, Sea of Okhotsk

机译:潜艇山体滑坡在Kuril盆地西坡,Okhotsk海洋

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摘要

Landslide processes on the western slope of the Kuril Basin were studied using bathymetry and seismic data obtained under the international KOMEX and SSGH projects. Slope areas containing landslides, landslide blocks and mass-transport deposits were distinguished. Large-scale landslides occupying an area of more than 100 km_(2)are located in such areas of open continental margins as the slopes of the North Hokkaido Marginal Plateau and Terpeniya Ridge. Landslide blocks up to 2 km in size and mass-transport deposits are located in submarine canyons and fans in Terpeniya Bay. The age of landslides has been estimated as Middle Pleistocene–Holocene. Landslides are most likely triggered by seismic activity and gas saturation of sediments. Subsequent slope failure seems quite probable within the study area, and landslides capable of generating tsunamis may occur.
机译:使用国际KOMEX和SSGH项目中获得的浴约和地震数据研究了KURIL盆地西部坡上的山体滑坡过程。 含有山体滑坡,滑坡块和大陆运输沉积物的斜坡区域。 占地面积超过100公里的大型山体滑坡位于开放式大陆边缘地区,作为北北海道边际高原和Terpeniya山脊的斜坡。 Landslide块线上可达2公里的大小和大陆运输存款位于Terpeniya Bay的潜艇峡谷和粉丝。 山体滑坡的年龄估计是中东外联 - 全新世。 山体滑坡最有可能受到沉积物的地震活动和气体饱和度引发的。 在研究区域内,随后的斜坡故障似乎很可能,并且可能发生能够产生海啸的滑坡。

著录项

  • 来源
    《Oceanology》 |2018年第3期|共10页
  • 作者单位

    Shirshov Institute of Oceanology Russian Academy of Sciences;

    Il’ichev Pacific Oceanological Institute Far East Branch Russian Academy of Sciences;

    Korea Polar Research Institute;

    Shirshov Institute of Oceanology Russian Academy of Sciences;

    Shirshov Institute of Oceanology Russian Academy of Sciences;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 海洋学;
  • 关键词

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