Triggering Mechanisms of Tsunamis in the Gulf of Cadiz and the Alboran Sea: An Overview

Vázquez, J.T.; Ercilla, Gemma; Alonso, Belén; Peláez, José A.; Palomino, Desirée; León, Ricardo; Bárcenas, P.; Casas, David; Estrada, Ferrán; Fernández-Puga, M.C.; Galindo-Zaldı́var, Jesús; Henares, Jesús; Llorente, Miguel; Sánchez-Guillamón, O.; d’Acremont, Elia; Ammar, Abdellah; Chourak, Mimoun; Fernández-Salas, L.M.; López-González, N.; Lafuerza, Sara

doi:10.1007/978-981-19-1979-4_4

Cited by 3 publications

(4 citation statements)

References 179 publications

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“…Todos los vértices tienen una componente de desplazamiento hacia el oeste con respecto a la Eurasia estable (Fig. 1, Tabla 1) (Galindo-Zaldívar et al, 2022). El comportamiento de los dos vértices del norte (9400 y 9600, Fig.…”

Section: Resultsunclassified

“…La adquisición de datos batimétricos y perfiles del subsuelo de alta resolución ha permitido estudiar las estructuras tectónicas que están afectando a la superficie del fondo marino, llegando a generar rasgos morfológicos lineales, muy marcados, asociados con zonas de fallas Ballesteros et al, 2008;d'Acremont et al, 2020;Vázquez et al, 2022). Así mismo, estos datos han permitido establecer una bu-ena correlación entre las estructuras sismogenéticas, en profundidad, con las estructuras tectónicas activas en la superficie del fondo marino , La evolución de la deformación a lo largo del Plioceno-Cuaternario en esta región es consecuencia de los procesos de colisión continental existentes entre las placas de Eurasia y Nubia (África Occidental) según una dirección de convergencia NO-SE.…”

Section: Introductionunclassified

“…En la región con mayor sismicidad del límite entre la Cordillera Bética y el Mar de Alborán, en el Campo de Dalías occidental, se instaló en 2006 una red GNSS no permanente (Fig. 1) (Marín-Lechado et al, 2010;Galindo-Zaldívar et al, 2022). La red tenía como objetivo inicial cuantificar la actividad de la falla normal NO-SE de Balanegra, una de las fallas más activas de la zona, relacionada con la serie sísmica de 1993-94.…”

Section: Introductionunclassified

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Iberfault 2022. IV Reunión Ibérica sobre Fallas Activas y Paleosismología. Volumen de resúmenes, Teruel, 7 al 10 de septiembre de 2022 ; 1ª ed.

2022

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SESIÓN 1: Tectónica activa y paleosismología de las Cordilleras Béticas (I) SESIÓN 2: Tectónica activa y paleosismología del resto de la Península Ibérica SESIÓN 3: Sismología y sismicidad inducida SESIÓN 4: Arqueosismología SESIÓN 5: Tectónica activa y paleosismología de las Cordilleras Béticas (II) SESIÓN 6: Tectónica activa en el medio marino SESIÓN 7: Geodesia aplicada a tectónica activa SESIÓN 8: Modelización sismotectónica

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Section: Resultsunclassified

Section: Introductionunclassified

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Iberfault 2022. IV Reunión Ibérica sobre Fallas Activas y Paleosismología. Volumen de resúmenes, Teruel, 7 al 10 de septiembre de 2022 ; 1ª ed.

2022

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“…The main tsunami-generating faults and submarine landslides in the Gulf of Cadiz are the overthrust systems of the Gorringe Ridge, the Marquês de Pombal, the São Vicente Canyon, and the high-susceptibility horseshoe faults; these are the areas of greatest potential vulnerability to submarine landslides. In addition, this area is characterized by the occurrence of large earthquakes in long intervals, which have the potential to trigger tsunamis (Figure 8) [42,43].…”

Section: Seismic Data Processingmentioning

confidence: 99%

Design and Implementation of a Prototype Seismogeodetic System for Tectonic Monitoring

Ramírez-Zelaya,

Rosado,

Jiménez

et al. 2023

Sensors

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This manuscript describes the design, development, and implementation of a prototype system based on seismogeodetic techniques, consisting of a low-cost MEMS seismometer/accelerometer, a biaxial inclinometer, a multi-frequency GNSS receiver, and a meteorological sensor, installed at the Doñana Biological Station (Huelva, Spain) that transmits multiparameter data in real and/or deferred time to the control center at the University of Cadiz. The main objective of this system is to know, detect, and monitor the tectonic activity in the Gulf of Cadiz region and adjacent areas in which important seismic events occur produced by the interaction of the Eurasian and African plates, in addition to the ability to integrate into a regional early warning system (EWS) to minimize the consequences of dangerous geological phenomena.

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Simulation of tsunami induced by a submarine landslide in a glaciomarine margin: the case of Storfjorden LS-1 (southwestern Svalbard Islands)

Pedrosa-González

Vida²,

Galindo-Zaldı́var

et al. 2022

Nat. Hazards Earth Syst. Sci.

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Abstract. A modelling approach to understand the tsunamigenic potentiality of submarine landslides will provide new perspectives on tsunami hazard threat, mostly in polar margins where global climatic change and its related ocean warming may induce future landslides. Here, we use the L-ML-HySEA (Landslide Multilayer Hyperbolic Systems and Efficient Algorithms) numerical model, including wave dispersion, to provide new insights into factors controlling the tsunami characteristics triggered by the Storfjorden LS-1 landslide (southwestern Svalbard). Tsunami waves, determined mainly by the sliding mechanism and the bathymetry, consist of two initial wave dipoles, with troughs to the northeast (Spitsbergen and towards the continent) and crests to the south (seawards) and southwest (Bear Island), reaching more than 3 m of amplitude above the landslide and finally merging into a single wave dipole. The tsunami wave propagation and its coastal impact are governed by the Storfjorden and Kveithola glacial troughs and by the bordering Spitsbergen Bank, which shape the continental shelf. This local bathymetry controls the direction of propagation with a crescent shape front, in plan view, and is responsible for shoaling effects of amplitude values (4.2 m in trough to 4.3 m in crest), amplification (3.7 m in trough to 4 m in crest) and diffraction of the tsunami waves, as well as influencing their coastal impact times.

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Triggering Mechanisms of Tsunamis in the Gulf of Cadiz and the Alboran Sea: An Overview

Cited by 3 publications

References 179 publications

Iberfault 2022. IV Reunión Ibérica sobre Fallas Activas y Paleosismología. Volumen de resúmenes, Teruel, 7 al 10 de septiembre de 2022 ; 1ª ed.

Iberfault 2022. IV Reunión Ibérica sobre Fallas Activas y Paleosismología. Volumen de resúmenes, Teruel, 7 al 10 de septiembre de 2022 ; 1ª ed.

Design and Implementation of a Prototype Seismogeodetic System for Tectonic Monitoring

Simulation of tsunami induced by a submarine landslide in a glaciomarine margin: the case of Storfjorden LS-1 (southwestern Svalbard Islands)

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