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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 9, issue 1
Nat. Hazards Earth Syst. Sci., 9, 217–227, 2009
https://doi.org/10.5194/nhess-9-217-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.
Nat. Hazards Earth Syst. Sci., 9, 217–227, 2009
https://doi.org/10.5194/nhess-9-217-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

  23 Feb 2009

23 Feb 2009

Tsunami generation by ocean floor rupture front propagation: Hamiltonian description

V. I. Pavlov1,2, J. Tromp1, and E. P. Tito V. I. Pavlov et al.
  • 1California Institute of Technology, Mail Code 252-21, Pasadena, California 91125, USA
  • 2UFR de Mathématiques Pures et Appliquées – LML UMR 8107, Université de Lille 1, 59655 Villeneuve d'Ascq, France

Abstract. The Hamiltonian method is applied to the problem of tsunami generation caused by a propagating rupture front and deformation of the ocean floor. The method establishes an alternative framework for analyzing the tsunami generation process and produces analytical expressions for the power and directivity of tsunami radiation (in the far-field) for two illustrative cases, with constant and gradually varying speeds of rupture front propagation.

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