The Gondola Slide: A mass transport complex controlled by margin topography (South-Western Adriatic Margin, Mediterranean Sea)

Valle, Giacomo Dalla; Gamberi, Fabiano; Foglini, Federica; Trincardi, Fabio

doi:10.1016/j.margeo.2015.05.001

Cited by 18 publications

(9 citation statements)

References 68 publications

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“…-the Bari Canyon System, characterized by intense bottom currents causing intense sediment deposition and erosion [374]; -the Vieste slide, on the north, involving low-gradient areas [375]; -the Gondola slide, which is the main body characterizing the margin, probably related to an event occurring simultaneously to that of the Vieste slide, due to the shaking provoked by a big earthquake during the Last Glacial Maximum (approximately 62 thousand years before present; [376]). Its failure mechanism is quite complex, mainly divided into three phases, and involves around 4.5 km 3 of material, with a run-out of more than 50 km for the looser portion.…”

Section: Adriatic Seamentioning

confidence: 99%

Tsunami risk management for crustal earthquakes and non-seismic sources in Italy

et al. 2021

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Destructive tsunamis are most often generated by large earthquakes occurring at subduction interfaces, but also other “atypical” sources—defined as crustal earthquakes and non-seismic sources altogether—may cause significant tsunami threats. Tsunamis may indeed be generated by different sources, such as earthquakes, submarine or coastal landslides, volcano-related phenomena, and atmospheric perturbations. The consideration of atypical sources is important worldwide, but it is especially prominent in complex tectonic settings such as the Mediterranean, the Caribbean, or the Indonesian archipelago. The recent disasters in Indonesia in 2018, caused by the Palu-Sulawesi magnitude Mw 7.5 crustal earthquake and by the collapse of the Anak-Krakatau volcano, recall the importance of such sources. Dealing with atypical sources represents a scientific, technical, and computational challenge, which depends on the capability of quantifying and managing uncertainty efficiently and of reducing it with accurate physical modelling. Here, we first introduce the general framework in which tsunami threats are treated, and then we review the current status and the expected future development of tsunami hazard quantifications and of the tsunami warning systems in Italy, with a specific focus on the treatment of atypical sources. In Italy, where the memory of historical atypical events like the 1908 Messina earthquake or the relatively recent 2002 Stromboli tsunami is still vivid, specific attention has been indeed dedicated to the progressive development of innovative strategies to deal with such atypical sources. More specifically, we review the (national) hazard analyses and their application for coastal planning, as well as the two operating tsunami warning systems: the national warning system for seismically generated tsunamis (SiAM), whose upstream component—the CAT-INGV—is also a Tsunami Service Provider of the North-eastern Atlantic, the Mediterranean and connected seas Tsunami Warning System (NEAMTWS) coordinated by the Intergovernmental Coordination Group established by the Intergovernmental Oceanographic Commission (IOC) of UNESCO, and the local warning system for tsunamis generated by volcanic slides along the Sciara del Fuoco of Stromboli volcano. Finally, we review the state of knowledge about other potential tsunami sources that may generate significant tsunamis for the Italian coasts, but that are not presently considered in existing tsunami warning systems. This may be considered the first step towards their inclusion in the national tsunami hazard and warning programs.

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Section: Adriatic Seamentioning

confidence: 99%

Tsunami risk management for crustal earthquakes and non-seismic sources in Italy

et al. 2021

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“…The southwestern Adriatic margin is marked by an articulated morphology (Figure 1) [43], characterized by mass failures deposits [44,45], topographic highs [46], sedimentary bedforms [47], and numerous incisions, among which the BC is the most developed [12].…”

Section: Setting Of the Areamentioning

confidence: 99%

A Perspective for Best Governance of the Bari Canyon Deep-Sea Ecosystems

Angeletti

D’Onghia

Otero³

et al. 2021

Water

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There is growing awareness of the impact of fishery activities on fragile and vulnerable deep-sea ecosystems, stimulating actions devoted to their protection and best management by national and international organizations. The Bari Canyon in the Adriatic Sea represents a good case study of this, since it hosts vulnerable ecosystems, threatened species, as well as valuable commercial species, but virtually lacks substantial management plans for the sustainable use of resources. This study documents the high level of biodiversity of the Bari Canyon and the impact of human activities by analyzing remotely operated vehicle surveys and benthic lander deployments. An integrated socio-economic study provides information on fishing pressure in the Bari Canyon and in the surrounding areas. Finally, measures of conservation, protection, and management are discussed and suggested for this remarkable site in the context of the deep Mediterranean Sea.

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“…Other local irregularities in the slope and sea-floor morphology can also result in variations of palaeoflow, such as: i) irregular morphology of previously deposited MTDs (e.g., Amerman et al, 2011;Alsop and Marco, 2014;Alves, 2015); ii) presence of tectonic features like folds and faults (e.g., Dalla-Valle et al, 2015); iii) salt tectonics (e.g., Alves and Cartwright, 2010); iv) mud diapirism (e.g., Alfaro and Holz, 2014); v) variable orientation of the head scarp with respect to the intrabasinal slope gradient (e.g., Armandita et al, 2015;Jablonská et al, 2016); vi) orientation and distance of the locality of origin (i.e. structural highs or coastal areas) of a MTD with respect to the depocenters (Ogata et al, 2012b).…”

Section: Do Mtd Structures Show Robustness For Defining Palaeoflows?mentioning

confidence: 99%

“…This includes structural generation and modification during the flow in different regions of the MTD and conditions of confinement, which may result in lateral and/or vertical strain partitioning (e.g., Frey-Martínez et al, 2006;Strachan and Alsop, 2006;Alsop and Marco, 2012, 2014Sharman et al, 2015;Ogata et al, 2016Ogata et al, , 2019Sobiesiak et al, 2016;. These variations in palaeoflow can result from local irregularities in the slope and sea-floor morphology (e.g., Amerman et al, 2011;Ogata et al, 2012bOgata et al, , 2019Alsop and Marco, 2014;Alves, 2015;Dalla-Valle et al, 2015;Jablonská et al, 2016). Dataset representativity related to limitations of MTD exposure were qualified through statistical analysis, which may explain some of the wider divergences in estimated palaeoflow identified between MTDs in the same region and stratigraphic level (i.e., localities 7 and 9).…”

Section: Do Mtd Structures Show Robustness For Defining Palaeoflows?mentioning

confidence: 99%

“…4I), therefore most folds and faults 32 palaeoflow are parallel or only slightly oblique to one another. These difference in orientation may result from structural generation and modification during the flow (e.g., Frey-Martínez et al, 2006;Strachan and Alsop, 2006;Marco, 2012, 2013;Ogata et al, 2019;, which can be influenced by local irregularities in the slope and sea-floor morphology (e.g., Alves and Cartwright, 2010;Amerman et al, 2011;Ogata et al, 2012;Alsop and Marco, 2014;Alves, 2015;Armandita et al, 2015;Dalla-Valle et al, 2015;Jablonská et al, 2016).…”

Section: Folds Versus Faults Which Is More Reliable and Robust For Pa...mentioning

confidence: 99%

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Statistical analysis of structures commonly used to determine palaeoslopes from within mass transport deposits

Rodrigues

Trzaskos

Alsop

et al. 2021

Journal of Structural Geology

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The Gondola Slide: A mass transport complex controlled by margin topography (South-Western Adriatic Margin, Mediterranean Sea)

Cited by 18 publications

References 68 publications

Tsunami risk management for crustal earthquakes and non-seismic sources in Italy

Tsunami risk management for crustal earthquakes and non-seismic sources in Italy

A Perspective for Best Governance of the Bari Canyon Deep-Sea Ecosystems

Statistical analysis of structures commonly used to determine palaeoslopes from within mass transport deposits

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