Articles | Volume 20, issue 8
Research article
18 Aug 2020
Research article |  | 18 Aug 2020

The 1958 Lituya Bay tsunami – pre-event bathymetry reconstruction and 3D numerical modelling utilising the computational fluid dynamics software Flow-3D

Andrea Franco, Jasper Moernaut, Barbara Schneider-Muntau, Michael Strasser, and Bernhard Gems

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Cited articles

Basu, D., Das, K., Green, S., Janetzke, R., and Stamatakos, J.: Numerical simulation of surface waves generated by subaerial landslide at Lituya Bay Alaska, J. Offshore Mech. Arct., 132, 041101,, 2010. 
Braathen, A., Blikra, L. H., Berg, S. S., and Karlsen, F.: Rock-slope failures in Norway: type, geometry, deformation mechanisms and stability, Norsk Geol. Tidsskr., 84, 67–88, 2004. 
Bridge, T.: When mountains fall into the sea:, last access: September 2018. 
Chuanqi, S., Yi, A., Qiang, W., Qingquan, L., and Zhixian, C.: Numerical simulation of landslide-generated waves using a soil-water coupling smoothed particle hydrodynamics model, Adv. Water Resour., 92, 130–141,, 2016. 
Das, K., Janetzke, R., Basu, D., Green, S., and Stamatakos, J.: Numerical Simulations of Tsunami Wave Generation by Submarine and Aerial Landslides Using RANS and SPH Models, 28th International Conference on Ocean, Offshore and Arctic Engineering, Honolulu, USA, 5, 581–594,, 2009. 
Short summary
This study highlights the use of the software Flow-3D in reproducing landslide-generated impulse waves. Due to the available data and the possibility of comparing the results with other previous works, a numerical modelling investigation on the 1958 Lituya Bay tsunami event is proposed. It is noted that the rockslide impact into the waterbody has a key role in the wave initiation and thus its propagation. The concept used in this work can be applied to prevent such phenomena in future.
Final-revised paper