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The 1990 Submarine Slide Outside The Nidelv River Mouth, Trondheim, Norway

  • J. -S. L'Heureux
  • O. Longva
  • L. Hansen
  • G. Vingerhagen
Part of the Advances in Natural and Technological Hazards Research book series (NTHR, volume 27)

The Trondheim harbor has been the locus for many large flow slides during the last century. The most recent of these occurred in 1990 just outside the mouth of the Nidelv River and mobilized ca. 5 106 m3 of sediments. The mass movement took place as a liquefaction-induced flow slide outside the river outlet and developed into a lateral spread. The sediment mass slid along a weak layer of loose silty sand recognized by a distinct seismic reflection interpreted from high resolution seismic data. A combination of static and dynamic loading probably triggered the slide.

Keywords

High Sedimentation Rate Critical Slip Surface Weak Layer River Outlet Flow Slide 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer 2007

Authors and Affiliations

  • J. -S. L'Heureux
    • 1
  • O. Longva
    • 2
  • L. Hansen
    • 2
  • G. Vingerhagen
    • 1
  1. 1.Norwegian University of Science and Technology (NTNU)Norway
  2. 2.Geological Survey of Norway (NGU)Norway

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