Journal
ARABIAN JOURNAL OF GEOSCIENCES
Volume 10, Issue 11, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s12517-017-3011-3
Keywords
Area source; Seismic hazard; Probabilistic approach; Peak ground acceleration; Algeria
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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 Setif, Constantine, Kherrata, Bejaia, and Jijel.
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