Probabilistic seismic hazard assessment in the northeastern part of Algeria

  • Mahmoud Hamlaoui
  • K. Vanneste
  • K. Baddari
  • L. Louail
  • B. Vleminckx
  • A. Demdoum
Original Paper
  • 145 Downloads

Abstract

This work involves updating the evaluation of seismic hazard in Northeast Algeria by a probabilistic approach. This reassessment attempts to resolve inconsistencies between seismic zoning in regional building codes and is further motivated by the need to refine the input data that are used to evaluate seismic hazard scenarios. We adopted a seismotectonic model that accounts for differences in interpretations of regional seismicity. We then performed a probabilistic assessment of regional seismic hazard in Northeast Algeria. Based on a homogeneous earthquake catalog and geological and seismotectonic data gathered in the first part of the study, a seismotectonic zoning map was created and seven risk areas were identified. For each area, peak ground acceleration hazard maps were produced. Details of the calculations are provided, including hazard curves at periods of 0.1, 0.2, 0.33, 0.5, 1.0, and 2.0 s and uniform hazard spectra at urban locations in the area, including Sétif, Constantine, Kherrata, Bejaia, and Jijel.

Keywords

Area source Seismic hazard Probabilistic approach Peak ground acceleration Algeria 

Notes

Acknowledgements

My sincere thanks and deep gratitude for availability, advice, and kindness go to the gentlemen: Thierry Camel Beek; Kris Vanneste and Bart Vleminckx and all members’ seismology section of the Royal Observatory of Belgium that allowed me to enjoy the observation traineeship.

The authors warmly thank Professor Abdullah M. Al-Amri and two anonymous referees for their reviews and suggestions, which improved the manuscript.

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Copyright information

© Saudi Society for Geosciences 2017

Authors and Affiliations

  1. 1.Physics Department, Faculty of ScienceUniversity of Setif1SétifAlgeria
  2. 2.Seismology SectionRoyal Observatory of Belgium (ROB)UccleBelgium
  3. 3.Seismological Laboratory, Faculty of Hydrocarbon and ChemistryUniversity of BoumerdesBoumerdèsAlgeria
  4. 4.Department of GeologyUniversity of Setif1SétifAlgeria

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