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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 16, issue 4 | Copyright
Nat. Hazards Earth Syst. Sci., 16, 995-1004, 2016
https://doi.org/10.5194/nhess-16-995-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Brief communication 19 Apr 2016

Brief communication | 19 Apr 2016

Brief communication: On direct impact probability of landslides on vehicles

Pierrick Nicolet1,a, Michel Jaboyedoff1, Catherine Cloutier2, Giovanni B. Crosta3, and Sébastien Lévy4 Pierrick Nicolet et al.
  • 1Institute of Earth Sciences, Faculty of Geosciences and Environment, University of Lausanne, Lausanne, Switzerland
  • 2Laboratoire d'études sur les risques naturels, Département de géologie et de génie géologique, Université Laval, Québec, Canada
  • 3Department of Earth and Environmental Sciences, Università degli Studi di Milano-Bicocca, Milan, Italy
  • 4Direction Générale de L'Environnement, Etat de Vaud, Lausanne, Switzerland
  • anow at: Geological Survey of Norway (NGU), Trondheim, Norway

Abstract. When calculating the risk of railway or road users of being killed by a natural hazard, one has to calculate a temporal spatial probability, i.e. the probability of a vehicle being in the path of the falling mass when the mass falls, or the expected number of affected vehicles in case such of an event. To calculate this, different methods are used in the literature, and, most of the time, they consider only the dimensions of the falling mass or the dimensions of the vehicles. Some authors do however consider both dimensions at the same time, and the use of their approach is recommended. Finally, a method considering an impact on the front of the vehicle is discussed.

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When calculating the risk of railway or road users being killed by a natural hazard, one has to calculate a temporal spatial probability, i.e. the probability of a vehicle being in the path of the falling mass when the mass falls, or the expected number of hit vehicles in the case of an event. This paper discusses different methods used to calculate this probability, in particular regarding the consideration of the dimensions of the falling mass and of the vehicles.
When calculating the risk of railway or road users being killed by a natural hazard, one has to...
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