Ground-motion prediction equations based on data from the himalayan and zagros regions

Mukat Lal Sharma, John Douglas, Hilmar Bungum, Jainish Kotadia

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This study derives ground-motion prediction equations for the horizontal elastic response spectral acceleration for 5% damping for application to the Indian Himalayas. The present equations include a consideration of site category (rock/soil) and style-of-faulting (strike-slip/reverse). Due to a lack of near-field data from India, additional strong-motion data have been included from the Zagros region of Iran, which has comparable seismotectonics to the Himalayas (continental compression). A set of 201 records from 16 earthquakes were used within the regression. The derived model predicts similar ground motions to previously published equations for the Himalayan region but with lower standard deviations.

Original languageEnglish
Pages (from-to)1191-1210
Number of pages20
JournalJournal of Earthquake Engineering
Issue number8
Early online date6 Nov 2009
Publication statusPublished - Dec 2009


  • ground-motion prediction equations
  • Himalayas
  • India
  • Iran
  • strong-motion data

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