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Using Active Faults and Seismicity for the Strong Motion Modeling in the Eastern Rif (Northern Morocco) |
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| Authors: | L Aït Brahim B Tadili C Nakhcha I Mouayn M Ramdani M Limouri A El Qadi F Sossey Alaoui M Benhalima |
| Institution: | (1) Faculté des Sciences de Rabat Département de Géologie, Laboratoire GEORISK, B.P. 1014, Agdal Rabat Maroc;(2) Institut Scientifique, Département de Physique du Globe, Agdal Rabat Maroc;(3) Laboratoire Conception et Systèmes, Département de Physique, Université Mohammed V, Faculté des Sciences, Avenue Ibn Batouta B.P. 1014, Agdal Rabat, Maroc |
| Abstract: | — The aim of this study is to conduct a probabilistic seismic hazard analysis for the eastern Rif area in northern Morocco. The source zones were established on the basis of the seismicity database, the fracturing analysis deduced from Landsat7 ETM digital enhancement and marine seismic reflection profiles. By the use of this information together with the selected attenuation relationship, the peak ground acceleration contour maps are produced for specific return periods. The map has been divided into intervals of 0.1 degrees in both latitude and longitude to calculate the values at each grid point and draw the seismic hazard curves. The results of seismic hazard assessment are displayed as iso-acceleration contours expected to be exceeded during typical economic life times of structures. |
| Keywords: | Seismicity seismic zones seismic hazard assessment eastern Rif Morocco |
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