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Tsunamis and acoustic-gravity waves from underwater earthquakes

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Abstract

A study of wave radiation by a piston bottom displacement, in a compressible ocean of constant depth, is carried out within the framework of a two-dimensional linear theory. Simple analytic expressions for the flow field, at a large distance from the disturbance, are derived. A realistic numerical example indicates that the Acoustic-Gravity waves, which significantly precede the tsunami, are expected to leave a significant signature on bottom-pressure records that should be considered for early detection of tsunamis.

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Authors and Affiliations

  1. Faculty of Civil and Environmental Engineering, Technion-Israel Institute of Technology, 32000, Haifa, Israel

    Michael Stiassnie

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  1. Michael Stiassnie
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Correspondence to Michael Stiassnie.

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Stiassnie, M. Tsunamis and acoustic-gravity waves from underwater earthquakes. J Eng Math 67, 23–32 (2010). https://doi.org/10.1007/s10665-009-9323-x

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  • DOI: https://doi.org/10.1007/s10665-009-9323-x

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