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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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.