Submarine Landslides

COMSHELFRISKS: Promoting a Combined Approach to Investigating Risks of Earthquakes, Landslides, and Tsunamis in Coastal, Shelf, and Continental Slope Areas

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Estimated landslide structures and their probable provenances: (a) interval of the seismic profile shown in Fig. 2b; (b) its interpretation (see Fig. 2 for legend); (c) elementary diagram of the sequences of the sedimentary cover; (d, e) portion of the profile with (d) initial (~25) and (e) decreased vertical exaggeration; and (f) elementary diagram of the sequences of the sedimentary cover for Fig. 3d (see Fig 3a for its location). (1) Structural lines showing the general behavior of the bedding in the sedimentary cover; (2 ) boundary between the principal structural units of the sedimentary cover; (3) (a) established and (b) assumed fracture zones; (4) lower (predeformation) pre-Late Mesozoic unit; (5) olistostromatic unit; (6) intermediate (synoptic-deformation) Late Miocene-Late Pleistocene unit; (7) postdeformation Late Pleistocene-Holocene unit; (8) disintegration area at the closure of an anticline fold; (9) eroded portion of the fold.

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