Simulation of the trans-oceanic tsunami propagation due to the 1883 Krakatau volcanic eruption B. H. Choi1, E. Pelinovsky2, K. O. Kim3, and J. S. Lee1 1Department of Civil and Environmental Engineering, Sungkyunkwan University, Suwon, 440-746, Korea 2Laboratory of Hydrophysics and Nonlinear Acoustics, Institute of Applied Physics, 46 Uljanov Street, 603950, Nizhny Novgorod, Russia 3Research Center for Disaster Environment, DPRI, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan
Abstract. The 1883 Krakatau
volcanic eruption has generated a destructive tsunami higher than 40 m on
the Indonesian coast where more than 36 000 lives were lost. Sea level
oscillations related with this event have been reported on significant
distances from the source in the Indian, Atlantic and Pacific Oceans.
Evidence of many manifestations of the Krakatau tsunami was a subject of
the intense discussion, and it was suggested that some of them are not
related with the direct propagation of the tsunami waves from the Krakatau
volcanic eruption. Present paper analyzes the hydrodynamic part of the
Krakatau event in details. The worldwide propagation of the tsunami waves
generated by the Krakatau volcanic eruption is studied numerically using
two conventional models: ray tracing method and two-dimensional linear
shallow-water model. The results of the numerical simulations are compared
with available data of the tsunami registration.
Citation: Choi, B. H., Pelinovsky, E., Kim, K. O., and Lee, J. S.: Simulation of the trans-oceanic tsunami propagation due to the 1883 Krakatau volcanic eruption, Nat. Hazards Earth Syst. Sci., 3, 321-332, doi:10.5194/nhess-3-321-2003, 2003.