Complex and Cascading Triggering of Submarine Landslides and Turbidity Currents at Volcanic Islands Revealed From Integration of High-Resolution Onshore and Offshore Surveys

Clare, Michael; Bas, Tim Le; Price, David M.; Hunt, James E.; Sear, David; Cartigny, Matthieu; Vellinga, Age; Symons, William; Firth, Christopher; Cronin, Shane J.

doi:10.3389/feart.2018.00223

Cited by 23 publications

(30 citation statements)

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“…In many cases they are the result of a compounded or cascading interaction between volcanic and non-volcanic processes (Fig. 14) as recently proposed by Clare et al (2018).…”

Section: Processes Controlling the Genesis And Morpho-dynamic Evolution Of The Erosivedepositional Bedformsmentioning

confidence: 70%

Bedforms on the submarine flanks of insular volcanoes: New insights gained from high resolution seafloor surveys

et al. 2020

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A comparative analysis of bedform fields along the submarine flanks of insular volcanoes, characterized by different morpho-structural settings, volcanic and meteo-marine regimes (Vanuatu, Kermadec, Bismark, Madeira and Aeolian archipelagos), is presented here to provide insights on the size distribution, morpho-dynamic and genesis of such bedforms. Two main types of bedforms are recognized according to their size, location and preconditioning/triggering processes. Small-scale bedforms have wavelengths of tens to hundreds of metres and wave heights of metres. Because of their small-size, they are typically not recognizable at water depths greater than 400 m from vessel-mounted bathymetric surveys. Few examples of small-scale bedforms are reported from upper volcanic flanks, where steep gradients commonly hinder their formation. Their

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“…In many cases they are the result of a compounded or cascading interaction between volcanic and non-volcanic processes (Fig. 14) as recently proposed by Clare et al (2018).…”

Section: Processes Controlling the Genesis And Morpho-dynamic Evolution Of The Erosivedepositional Bedformsmentioning

confidence: 70%

Bedforms on the submarine flanks of insular volcanoes: New insights gained from high resolution seafloor surveys

et al. 2020

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“…Turbidity current properties are becoming better known from observational and experimental data [41][42][43][44][45][46] coupled with theoretical modelling [47][48][49], although there is still a range of uncertainty over some estimates. Based on a considerable volume of earlier work [16,17,[50][51][52][53][54][55][56], as well as more recent studies, we can summarise the principal properties as follows (see also [1,26].…”

Section: Turbidity Currentsmentioning

confidence: 99%

Distinguishing between Deep-Water Sediment Facies: Turbidites, Contourites and Hemipelagites

2020

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The distinction between turbidites, contourites and hemipelagites in modern and ancient deep-water systems has long been a matter of controversy. This is partly because the processes themselves show a degree of overlap as part of a continuum, so that the deposit characteristics also overlap. In addition, the three facies types commonly occur within interbedded sequences of continental margin deposits. The nature of these end-member processes and their physical parameters are becoming much better known and are summarised here briefly. Good progress has also been made over the past decade in recognising differences between end-member facies in terms of their sedimentary structures, facies sequences, ichnofacies, sediment textures, composition and microfabric. These characteristics are summarised here in terms of standard facies models and the variations from these models that are typically encountered in natural systems. Nevertheless, it must be acknowledged that clear distinction is not always possible on the basis of sedimentary characteristics alone, and that uncertainties should be highlighted in any interpretation. A three-scale approach to distinction for all deep-water facies types should be attempted wherever possible, including large-scale (oceanographic and tectonic setting), regional-scale (architecture and association) and small-scale (sediment facies) observations.

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“…These include dyke and sill intrusions; volcanic eruptions and tremor; earthquakes; flank over-steepening; the weight of new volcanic material on the island flanks; weakening of the volcanic edifice by weathering and hydrothermal activity; and, for smaller landslides, by the effects of wave, wind and storm activity (e.g. Siebert 1984;Begét & Kienle 1992;Murray & Voight 1996;McGuire 1996McGuire , 2003Tibaldi 2001;Cervelli et al 2002;Casalbore et al 2011Casalbore et al , 2015Gross et al 2014;Clare et al 2018). Such factors occur over timescales ranging from seconds to thousands of years, and are globally widespread (McGuire 1996;Blahůt et al 2019).…”

Section: Introductionmentioning

confidence: 99%

Revisiting the tsunamigenic volcanic flank collapse of Fogo Island in the Cape Verdes, offshore West Africa

Barrett

Lebas

Ramalho

et al. 2020

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The manuscript will undergo copyediting, typesetting and correction before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the book series pertain. Although reasonable efforts have been made to obtain all necessary permissions from third parties to include their copyrighted content within this article, their full citation and copyright line may not be present in this Accepted Manuscript version. Before using any content from this article, please refer to the Version of Record once published for full citation and copyright details, as permissions may be required.

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Complex and Cascading Triggering of Submarine Landslides and Turbidity Currents at Volcanic Islands Revealed From Integration of High-Resolution Onshore and Offshore Surveys

Abstract: highlights the often-ignored importance of outburst floods, non-linear responses to land-use and climatic changes, and the complex interactions between a range of coastal and tectonic processes that may overshadow volcanic regimes.

Cited by 23 publications

References 116 publications

Bedforms on the submarine flanks of insular volcanoes: New insights gained from high resolution seafloor surveys

Bedforms on the submarine flanks of insular volcanoes: New insights gained from high resolution seafloor surveys

Distinguishing between Deep-Water Sediment Facies: Turbidites, Contourites and Hemipelagites

Revisiting the tsunamigenic volcanic flank collapse of Fogo Island in the Cape Verdes, offshore West Africa

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