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Research Paper | Geology | Morocco | Volume 4 Issue 6, June 2015 | Popularity: 7.1 / 10

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Geological Mapping and Seismic Risk in the Eastern High Atlas: Case of Talsint Region (Morocco)

Said RADI, Youssef TIMOULALI, El-Mostafa BACHAOUI

Abstract: Talsint area is located in the Eastern High Atlas. It is known a seismic region. During the last decade (2005 to 2014) the seismic activity increased more than 160 earthquakes which disturbed the everyday life of the local population, it also causes damage on especially traditional constructions. Analyzing the geological structures and the faults is necessary for the comprehension of the geological built especially in the areas exposed to the seismic risks. The aim of this research is show the contribution of the remote sensing technique in the geological cartography. Various digital processing were applied out an image of high resolution space EMT of Landsat7 covering the Talsint region in order to extract geological lineament and faults. The application of supervised classification and directional filter (Moore) was carried out. A geological map and lineament density map are done. The highest densities obtained are oriented NE-SW and with of the same faults direction. These results correspond to the overall direction NE-SW of the structure resulting from the compression effect NW-SE. With the GIS, the faults F1 oriented NE-SW are mapped and to confirm the migration of the seismic activity towards the South-Est

Keywords: Eastern High Atlas, Remote sensing, Geological mapping, seism

Edition: Volume 4 Issue 6, June 2015

Pages: 3028 - 3034

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