Ground motion simulation for January 26, 2001 Gujarat earthquake by spectral finite element method

This article estimates the ground motion during the January 26, 2001 Gujarat, India earthquake by spectral finite element method. The SPECFEM3D-GLOBE package which models the complete three-dimensional wave velocity structure, ellipticity, topography, and bathymetry is used to simulate the ground motion on a global scale. The Earth is modelled with 553.4 million grid points. Displacement time histories are simulated at various stations in the epicentral region. A contour map of permanent ground displacements in the near source region is provided. The obtained results are validated by comparing them with recorded peak ground velocity data and field observations. © 2012 Copyright A. S. Elnashai & N. N. Ambraseys.