Seismicity and Tectonic Structures in the Site of Algiers and its Surroundings: A Step Towards Microzonation |
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| Authors: | A Harbi S Maouche A Ayadi D Benouar G F Panza H Benhallou |
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| Institution: | (1) Centre de Recherche en Astronomie, Astrophysique et Geophysique, BP. 63, Bouzaréah, Alger, Algeria;(2) University of Algiers (USTHB), Civil Engineering Dpt., Alger, Algeria;(3) Dipartimento di Scienze della Terra, Universita di Trieste, Italy;(4) The Adus Salam International Centre for Theoretical Physics, SAND Group, Trieste, Italy;(5) Faculté des Sciences de la Terre de lAménagment du Territoire et de la Géographie, USTHB, Alger, Algeria |
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| Abstract: | — We intend to reappraise the seismogenic potential of the geologic structures in the site of Algiers and its surroundings. A compilation of a working earthquake catalogue is first made using all events reported in all previous documentation available. However for the sake of homogeneity and a certain degree of reliability of the data, only revised seismic events with epicenter coordinates, magnitude and/or intensity are included. A tectonic setting of the zone under investigation and available fault plane solutions are presented. The results obtained in previous seismological studies of the most recent earthquakes of the area are also discussed. The findings highlight the great interest to be taken in the detailed and timely assessment of the seismic hazard of Algiers and its surroundings which is made possible by the realistic modelling of the scenario seismic input. |
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| Keywords: | Algiers seismicity tectonics earthquakes catalogue |
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