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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jess/124/07/1445-1456

    • Keywords

       

      Seismicity; b-value; spatio-temporal distribution; Pakistan.

    • Abstract

       

      The seismotectonic structure of north Pakistan has been formed by ongoing collision between the Eurasian and Indian plates. North Pakistan and the adjoining areas experienced many large earthquakes in the past, which resulted in considerable damages and loss of life. A magnitude-homogenous earth-quake catalogue for north Pakistan and its surrounding areas for the instrumental period from 1964 to 2007 is used for analysis. We presented seismicity picture of the Hindukush–Pamir–Karakoram (HPK), Kohistan Island Arc (KIA) and Hazara–Kashmir–Himalayas (HKH) using various histograms and time series plots of the dataset. The b-value for each accreted domain is derived separately and investigated through a process of mutual correlation. Our computed temporal variation of b-value in Hazara region shows a significant decrease prior to 2005 Kashmir earthquake.

    • Author Affiliations

       

      Khaista Rehman1 Asghar Ali2 Sajjad Ahmed2 Wajid Ali1 Aamir Ali3 Muhammad Younis Khan1

      1. National Centre of Excellence in Geology, University of Peshawar, Khyber Pakhtunkhwa 25120, Pakistan.
      2. Department of Geology, University of Peshawar, Khyber Pakhtunkhwa 25120, Pakistan.
      3. Department of Earth Sciences, Quaid-i-Azam University, 45320, Islamabad, Pakistan.
    • Dates

       
  • Journal of Earth System Science | News

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