Phenomenology of tsunamis: Statistical properties from generation to runup

Advances in Geophysics -3
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Abstract

Observations related to tsunami generation, propagation, and runup are reviewed and described in a phenomenological framework. In the three coastal regimes considered (near-field broadside, near-field oblique, and far field), the observed maximum wave amplitude is associated with different parts of the tsunami wavefield. The maximum amplitude in the near-field broadside regime is most often associated with the direct arrival from the source, whereas in the near-field oblique regime, the maximum amplitude is most often associated with the propagation of edge waves. In the far field, the maximum amplitude is most often caused by the interaction of the tsunami coda that develops during basin-wide propagation and the nearshore response, including the excitation of edge waves, shelf modes, and resonance. Statistical distributions that describe tsunami observations are also reviewed, both in terms of spatial distributions, such as coseismic slip on the fault plane and near-field runup, and temporal distributions, such as wave amplitudes in the far field. In each case, fundamental theories of tsunami physics are heuristically used to explain the observations.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Phenomenology of tsunamis: Statistical properties from generation to runup
Series title Advances in Geophysics
Chapter 3
DOI 10.1016/S0065-2687(09)05108-5
Volume 51
Year Published 2015
Language English
Publisher Elsevier
Contributing office(s) Pacific Coastal and Marine Science Center
Description 63 p.
First page 107
Last page 169
Online Only (Y/N) N
Additional Online Files (Y/N) N
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