Fractal geometry of faults in relation to the 12 October 1992 Cairo earthquake |
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Authors: | Nimr Arab Asadullah Kazi Herman H Rieke |
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Institution: | (1) Directorate General of Mineral Resources, Ministry of Petroleum and Mineral Resources, PO Box 345, 21191 Jeddah, Kingdom of Saudi Arabia |
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Abstract: | The aim of this study is to demonstrate how the 12 October 1992 Cairo earthquake relates to the spatial geometry of the northern Egyptian fault systems. A box-counting algorithm was used, in a focused down approach (from regional to local scales) to analyze the fractal dimensions of the existing faults. The results indicate that these faults display fractal geometries that are self-similar over two to three orders of magnitude. It is shown that the northwest-southeast (Northern Red Sea) trending fault system has the lowest fractal dimension value. Coincidentally, this fault trend is the one that the fault plane solution shows to be active. |
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Keywords: | Earthquake fractal geometry faults statistics Cairo |
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