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    • Seismic hazard scenario and attenuation model of the Garhwal Himalaya using near-field synthesis from weak motion seismometry

      Sankar Kumar Nath Khemraj Shukla Madhav Vyas

      Volume 117 Issue S2 November 2008 pp 649-670

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jess/117/S2/0649-0670

    • Keywords

       

      Garhwal Himalaya; maximum credible earthquake; site amplification; spectral acceleration; attenuation relation.

    • Abstract

       

      In this paper, we present a seismic hazard scenario for the Garhwal region of the north-western Himalayan range, in terms of the horizontal Peak Ground Acceleration. The scenario earthquake of moment magnitude $M_w$ 8.5 has a 10% exceedance probability over the next 50 years. These estimates, the first for the region, were calculated through a stepwise process based on:

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    • Author Affiliations

       

      Sankar Kumar Nath1 Khemraj Shukla1 Madhav Vyas2

      1. Department of Geology and Geophysics, Indian Institute of Technology, Kharagpur 721 302, India.
      2. Schlumberger Limited, Houston, Texas 77077, USA.

    • Dates

       
      Published
      November 2008
      Manuscript received
      11 September 2007
      Manuscript revised
      4 January 2008
      Accepted
      27 March 2008

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