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

被引：0

作者：

B. V. Baranov

V. G. Prokudin

Y. -K. Jin

K. A. Dozorova

D. D. Rukavishnikova

机构：

[1] Russian Academy of Sciences,Shirshov Institute of Oceanology

[2] Russian Academy of Sciences,Il’ichev Pacific Oceanological Institute, Far East Branch

[3] Korea Polar Research Institute,undefined

来源：

Oceanology | 2018年 / 58卷

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学科分类号：

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 km2 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.

引用

页码：425 / 434

页数：9

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