Tsunami Constraints on Finite Fault Models: The March 11, 2011 Tohoku Earthquake
详细信息   
摘要


     Numerical simulation of tsunami is currently utilized to estimate the arrival time,amplitude and wave length information of the tsunami; it can also provide abundant constraints to investigate the inversion results of the earthquake rapture processes.Our tsunami models based on two-dimension shallow water equations are proposed to study the tsunami propagation characteristics of the March 11,2011 Tohoku earthquake,Japan.The overall distribution of tsunami along the coast line,average wave height,and the maximum tsunami and location are obtained from our numerical calculations and are compared with the observation data available.It is found that among the different rupture models from several seismological agencies,most of them could approximately match the features of the tsunami distribution.One of our interesting discoveries is that the simple average dislocation model can produce a closer average value of wave height with the observed results.

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