Estructuras activas y riesgos geológicos en el sector central de la Cordillera Bético-Rifeña y Mar de Alborán

  1. J. Galindo-Zaldívar 1
  2. G. Ercilla 2
  3. A.J. Gil 3
  4. J.A. Peláez 3
  5. L. González-Castillo 1
  6. J.M. González-Vida 4
  7. F. Lamas 1
  8. E. DAcremont 5
  9. V. Tendero 1
  10. O. Azzouz 6
  11. A. Madarieta 1
  12. F. Estrada 2
  13. M.J. Borque 3
  14. J.T. Vazquez 7
  15. F.J. Martínez-Moreno 8
  16. A. Sanchez-Alzola 9
  17. M. Makkaoui 6
  18. C. Sanz de Galdeano 10
  19. M. Comas 10
  20. M. Benmakhlouf 11
  1. 1 Universidad de Granada
    info

    Universidad de Granada

    Granada, España

    ROR https://ror.org/04njjy449

  2. 2 Instituto de Ciencias del Mar, CSIC
  3. 3 Universidad de Jaén
    info

    Universidad de Jaén

    Jaén, España

    ROR https://ror.org/0122p5f64

  4. 4 Universidad de Málaga
    info

    Universidad de Málaga

    Málaga, España

    ROR https://ror.org/036b2ww28

  5. 5 Sorbonne Université, CNRS-INSU
  6. 6 Mohamed I University
    info

    Mohamed I University

    Oujda, Marruecos

    ROR https://ror.org/01ejxf797

  7. 7 Instituto Español de Oceanografía
    info

    Instituto Español de Oceanografía

    Madrid, España

    ROR https://ror.org/00f3x4340

  8. 8 Universidade de Lisboa
    info

    Universidade de Lisboa

    Lisboa, Portugal

    ROR https://ror.org/01c27hj86

  9. 9 Univ. Cádiz
  10. 10 Instituto Andaluz de Ciencias de la Tierra
    info

    Instituto Andaluz de Ciencias de la Tierra

    Granada, España

    ROR https://ror.org/00v0g9w49

  11. 11 Abdelmalek Essaâdi University
    info

    Abdelmalek Essaâdi University

    Tetuán, Marruecos

    ROR https://ror.org/03c4shz64

Show affiliations +
Journal:
Geotemas (Madrid)

ISSN: 1576-5172

Year of publication: 2021

Issue Title: X Congreso Geológico de España

Issue: 18

Pages: 829

Type: Article

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More publications in: Geotemas (Madrid)

Abstract

The recent geodynamic activity in the Betic-Rif Cordillera and the Alboran Sea is determined by the interaction of subduc- tion processes with roll-back in the West and tectonic indentation in the East. The integration of sea and land data in the DAMAGE project characterizes the central area of interaction. At the northern end, the seismicity of the frontal region of Sierra de Cazorla is associated with incipient tectonic indentation. To the South, seismic and aseismic extensional faults of high and low angle interact in the Granada Basin. The active normal faults in the Campo de Dalías are connected with recent and new strike-slip faults that affect the Alboran Sea, being responsible of the 2016 Alhoceima earthquake (M 6.3). Towards the Rif, new areas of deformation in the Al Hoceima region are identified on blind faults with significant seismogenic activity in 1993 and 2004. These structures represent an important geological hazard related to slope instability and tsunami development in the Alboran Sea and in water reservoirs. The economic and social impact of this geological hazard should be considered and quantified.

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