La serie sísmica de Torreperogil (Jaén, Cuenca del Guadalquivir oriental): evidencias de deformación tectónica en el área epicentral

  1. Mario Sánchez Gómez 11
  2. José A. Peláez 11
  3. Francisco J. García Tortosa 11
  4. Fernando Pérez Valera 1
  5. Carlos Sanz de Galdeano 2
  1. 1 Universidad de Jaén
    info

    Universidad de Jaén

    Jaén, España

    ROR https://ror.org/0122p5f64

  2. 2 Instituto Andaluz de Ciencias de la Tierra
    info

    Instituto Andaluz de Ciencias de la Tierra

    Granada, España

    ROR https://ror.org/00v0g9w49

Journal:
Revista de la Sociedad Geológica de España

ISSN: 0214-2708

Year of publication: 2014

Volume: 27

Issue: 1

Pages: 301-318

Type: Article

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Abstract

A seismic series occurred among Torreperogil and Sabiote towns (Jaén, Spain), with more than 2100 earthquakes located and more than 200 events felt. The series has alarmed the population and caused perplexity, because the area was considered little or no tectonically and seismically active. The hypocentres were located at the basement of the Guadalquivir basin. A field survey in the epicentral area has shown a set of structures compatible with the seismic series, especially fault zones and some folds associated to them. The most important structure is a fault zone along Arroyo Sabiote (ZFAS) showing an orientation and kinematics similar to the determined in the focal mechanisms calculated so far. The analysis of the observed structures and the characteristics of the seismic series suggest a complex tectonic setting, with alternating or simultaneous kinematics along the Pliocene and Quaternary.

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