Some Probabilistic and Statistical Properties of the Seismic Regime of Zemmouri (Algeria) Seismoactive Zone |
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| Authors: | Kamel Baddari Fouzi Bellalem Ibtihel Baddari Said Makdeche |
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| Institution: | 1.Lab of Physics of the Earth,Université Mhamed Bougara Boumerdes,Algeria;2.Centre de Recherche en Astronomie,Astrophysique et Géophysique du Globe,Algiers,Algeria;3.Laboratoire d’Informatique, de Modélisation, d’Optimisation et des Systèmes électroniques,Université Mhamed Bougara Boumerdes,Algeria;4.University of Bouira,Bouira,Algeria |
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| Abstract: | Statistical tests have been used to adjust the Zemmouri seismic data using a distribution function. The Pareto law has been used and the probabilities of various expected earthquakes were computed. A mathematical expression giving the quantiles was established. The extreme values limiting law confirmed the accuracy of the adjustment method. Using the moment magnitude scale, a probabilistic model was made to predict the occurrences of strong earthquakes. The seismic structure has been characterized by the slope of the recurrence plot γ, fractal dimension D, concentration parameter Ksr, Hurst exponents Hr and Ht. The values of D, γ, Ksr, Hr, and Ht diminished many months before the principal seismic shock (M = 6.9) of the studied seismoactive zone has occurred. Three stages of the deformation of the geophysical medium are manifested in the variation of the coefficient G% of the clustering of minor seismic events. |
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