Building a pre-calculated quick forecast system for tsunami run-up height

Jing Hua Lin, Yi Fan Chen, Chin Chu Liu, Guan Yu Chen

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


The main purpose of this study is to build a run-up database using an analytical Green's function of 1D fully nonlinear shallow water equations over a uniform constant slope. The total mechanical energy, tsunami run-up height and inundation distance can be quickly derived once a submarine earthquake occurs. Only fast fourier transformation (FFT), multiplication and superposition are employed in the present algorithm. The in situ investigations of the 2004 Indian Ocean Tsunami and 2011 Tohoku Tsunami are used to validate the present methodology. Most calculated run-up heights are on the safe side and the inundation distance is reasonable. The computational procedure can be efficiently finished within a few seconds so that complete tsunami information can be provided after integrating the existing numerical Green's function database.

Original languageEnglish
Article number1440002
JournalJournal of Earthquake and Tsunami
Issue number3
Publication statusPublished - 2014 Sep

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Geotechnical Engineering and Engineering Geology
  • Geophysics


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