Advances in the study of mega-tsunamis in the geological record

Extreme geophysical events such as asteroid impacts and giant landslides can generate mega-tsunamis with wave heights considerably higher than those observed for other forms of tsunamis. In this paper, we review recent advances in the study of mega-tsunamis in the geological record, focusing on well...

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Bibliographic Details
Published inEarth-science reviews Vol. 210; p. 103381
Main Authors Paris, Raphaël, Goto, Kazuhisa, Goff, James, Yanagisawa, Hideaki
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.11.2020
Elsevier
Subjects
Asteroid impact
Earth Sciences
Landslide
Mega-tsunami
Ocean island
Sciences of the Universe
Volcanology
Ocean island
Landslide
Asteroid impact
Mega-tsunami
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Summary:Extreme geophysical events such as asteroid impacts and giant landslides can generate mega-tsunamis with wave heights considerably higher than those observed for other forms of tsunamis. In this paper, we review recent advances in the study of mega-tsunamis in the geological record, focusing on well-documented examples that have captured particular attention over the past decade. We provide up-to-date background on the source mechanisms of tsunami generation during asteroid impacts and ocean-island landslides, which are the largest landslides on Earth. We also discuss the main sources of uncertainty for modelling such mega-tsunamis, and for addressing associated hazards.
ISSN:0012-8252
1872-6828
DOI:10.1016/j.earscirev.2020.103381