Modeling the distribution of aftershocks data in Pakistan


  • Rijah Khan National Univeristy of Sciences and Technology
  • Sayyad Khurshid Captain Hussain Khan Shaheed, Government Boys Post Graduate College Rawalakot Azad Kashmir, Pakistan.


Aftershocks data, Gamma distribution, Weibull distribution, Lognormal distribution, Frechet distribution, Generalized Extreme Value distribution, Generalized Pareto distribution, maximum likelihood method, Kolmogrove smirnove test


In the present study an effort has been made to find out the best fitting distribution to explain the aftershocks behavior in Pakistan. For this purpose two parameter Gamma, Weibull, Lognormal, Frechet and three parameter Generalized Extreme Value and Generalized Pareto distributions are fitted to aftershocks data and parameters for each distribution are estimated using the Maximum Likelihood method. The performance of the distributions are evaluated using Kolmogorove-Smirnove test, Further, probability probability plots are used to confirm the goodness of fit for the candidate distributions. Finally, it is concluded candidate distributions are found to be most appropriate distribution for describing the behavior of aftershocks data in Pakistan.




How to Cite

Khan, R., & Khurshid, S. (2022). Modeling the distribution of aftershocks data in Pakistan. Kashmir Journal of Science, 1(01). Retrieved from




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