Tsunami risk for Western Canada and numerical modelling of the Cascadia fault tsunami |
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Authors: | Jinsong Xie Ioan Nistor Tad Murty |
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Institution: | (1) Department of Civil Engineering, University of Ottawa, 161 Louis Pasteur, Ottawa, ON, Canada |
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Abstract: | The paper deals with the analysis of tsunami risks for Western Canada and the numerical modelling of a potential tsunami which
could affect the region and generate significant damage to the western Canadian coastline. Following a review of the seismic
risk and historical tsunamis which occurred along the western Canadian coastline, the authors concluded that this region is
highly vulnerable should a major tsunami occur. Consequently, the authors conducted a study on the numerical modelling of
a possible tsunami generated by movement along the Cascadia fault, which is located offshore British Columbia. The results
of the model outline the significance and extent of the coastal flooding risk associated with such a rare, but destructive
phenomenon. The potential for inundation of the low-lying areas around the coastline of Vancouver Island and in and around
the City of Vancouver was found to be high. A number of recommendations and conclusions focusing on the results of the numerical
simulation are included. |
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Keywords: | |
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