A note on the effects of nonuniform spreading velocity of submarine slumps and slides on the near-field tsunami amplitudes |
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| Authors: | M D Trifunac A Hayir M I Todorovska |
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| Abstract: | The effects of variable speeds of spreading of submarine slides and slumps on near-field tsunami amplitudes are illustrated. It is shown that kinematic models of submarine slides and slumps must consider time variations in the spreading velocities, when these velocities are less than about 2cT, where
is the long period tsunami velocity in ocean of constant depth h. For average spreading velocities greater than 2cT, kinematic models with assumed constant spreading velocities provide good approximation for the tsunami amplitudes above the source. |
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| Keywords: | Tsunami modeling Tsunami with variable speed of spreading Slides Slumps |
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