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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 11, issue 3
Nat. Hazards Earth Syst. Sci., 11, 707–714, 2011
https://doi.org/10.5194/nhess-11-707-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: New developments in tsunami science: from hazard to risk

Nat. Hazards Earth Syst. Sci., 11, 707–714, 2011
https://doi.org/10.5194/nhess-11-707-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 08 Mar 2011

Research article | 08 Mar 2011

Rapid forecasting of tsunami runup heights from 2-D numerical simulations

B. H. Choi1, V. Kaistrenko2, K. O. Kim3, B. I. Min1, and E. Pelinovsky4 B. H. Choi et al.
  • 1Department of Civil and Environmental Engineering, Sungkyunkwan University, Suwon, Korea
  • 2Tsunami Laboratory, Institute of Marine Geology and Geophysics, Yuzhno-Sakhalinsk, Russia
  • 3Korea Ocean Research & Development Institute, Ansan, Korea
  • 4Department of Nonlinear Geophysical Processes, Institute of Applied Physics, Russian Academy of Sciences, 46 Uljanov Street, 603950, Nizhny Novgorod, Russia

Abstract. We propose a method to compute tsunami runup heights that is based on an integration of numerical, 2-D shallow-water modelling and an analytical, 1-D long-wave runup theory. This approach provides a faster forecast of tsunami runup heights than a complicated coastal inundation model. Through simulations of potential tsunami scenarios, this approach can also be applied to long-term tsunami prediction. We tested the model by simulating the historical event in the East (Japan) Sea and found that the estimates of runup heights agreed well with the available observations.

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