Submarine Mass Movements and Their Consequences

Volume 31 of the series Advances in Natural and Technological Hazards Research pp 517-524


Geowave Validation with Case Studies: Accurate Geology Reproduces Observations

  • Philip WattsAffiliated withApplied Fluids Engineering, Inc Email author 
  • , David R. TappinAffiliated withBritish Geological Survey

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Boussinesq wave models have been introduced in tsunami science with considerable success. Methodical simulations of case studies provide a critical form of validation for these models. In current simulation techniques, developed since the 1998 Papua New Guinea event, carefully derived tsunami sources are input into a fourth order Boussinesq water wave simulation code (Geowave) capable of capturing wave dissipation, wave breaking, wave dispersion, and nonlinear wave activity. When the tsunami source is known, almost all tsunami observations can be captured with a single, direct Boussinesq simulation. Here, we summarize case studies for the following events: 125 k BP, Alika 2, Hawaii, US, 1908 Messina Strait, Italy, 1946 Unimak, Alaska, US, 1998 Sissano, Papua New Guinea, among other tsunami events.


Boussinesq Earthquake Landslide Volcano Tsunami Mass failure Case studies Validation Runup Edge wave Breaking wave Convergence Grid size