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Submarine Landslides on the Western Slope of the Kuril Basin, Sea of Okhotsk.
- Source :
- Oceanology (00014370); May2018, Vol. 58 Issue 3, p425-434, 10p
- Publication Year :
- 2018
-
Abstract
- 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<superscript>2</superscript> 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. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00014370
- Volume :
- 58
- Issue :
- 3
- Database :
- Complementary Index
- Journal :
- Oceanology (00014370)
- Publication Type :
- Academic Journal
- Accession number :
- 130772284
- Full Text :
- https://doi.org/10.1134/S0001437018030025