Articles | Volume 15, issue 1
https://doi.org/10.5194/se-15-39-2024
https://doi.org/10.5194/se-15-39-2024
Research article
 | 
29 Jan 2024
Research article |  | 29 Jan 2024

Networks of geometrically coherent faults accommodate Alpine tectonic inversion offshore southwestern Iberia

Tiago M. Alves

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Cited articles

Alves, T. M. and Cunha, T. A.: A phase of transient subsidence, sediment bypass and deposition of regressive–transgressive cycles during the breakup of Iberia and Newfoundland, Earth Planet. Sc. Lett., 584, 168–183, https://doi.org/10.1016/j.epsl.2017.11.054, 2018. 
Alves, T. M., Gawthorpe, R. L., Hunt, D. H., and Monteiro, J. H.: Cenozoic tectono-sedimentary evolution of the western Iberian margin, Mar. Geol., 195, 75–108, https://doi.org/10.1016/S0025-3227(02)00683-7, 2003. 
Alves, T. M., Moita, C., Cunha, T., Ullnaess, M., Myklebust, R., Monteiro, J. H., and Manuppella, G.: Diachronous evolution of Late Jurassic–Cretaceous continental rifting in the northeast Atlantic (west Iberian margin), Tectonics, 28, TC4003, https://doi.org/10.1029/2008TC002337, 2009. 
Amigo Marx, B., Fernández, O., Olaiz, A., Poblet, J., and Zamora, G.: On the influence of Variscan inheritance on rifting of the Western Iberian margin, Terra Nova, 34, 424–432, https://doi.org/10.1111/ter.12595, 2022. 
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Short summary
Alpine tectonic inversion is reviewed for southwestern Iberia, known for its historical earthquakes and tsunamis. High-quality 2D seismic data image 26 faults mapped to a depth exceeding 10 km. Normal faults accommodated important vertical uplift and shortening. They are 100–250 km long and may generate earthquakes with Mw > 8.0. Regions of Late Mesozoic magmatism comprise thickened, harder crust, forming lateral buttresses to compression and promoting the development of fold-and-thrust belts.