Dr. Sumer Chopra ( Director/Scientist-G )

Thrust Areas of Research:

  • Modelling of strong ground motions
  • Deterministic seismic hazard analysis
  • Shallow crustal structure
  • Site characterization
  • Site-specific response studies

Publications (SCI):

  • Published 45 research papers in peer-reviewed international Journals like Bulletin of Seismological Society of America, Tectonophysics, Journal of Asian Earth Sciences, Pure and Applied Geophysics, Journal of Seismology, Soil Dynamics & Earthquake Engineering, Annals of Geophysics and Natural Hazards on deterministic seismic hazard analysis using modified stochastic simulation & Empirical Green’s Function methodologies, site specific response studies for Gujarat & NE India, Crustal structure of Gujarat region & NW Himalaya regions, attenuation characteristics of Gujarat & Delhi regions, determination of causative fault for Mw6.9 Sikkim earthquake, ground motion modelling for Gujarat and NW Himalaya regions incorporating site-specific parameters and seismicity analysis.
  • 2016:

  • Pallabee Choudhurya, Sumer Chopra, Ketan Singha Roy, and Jyoti Sharma, Ground motion modelling in the Gujarat region of western India using Empirical Green's Function approach, Tectonophysics, DoI 10.1016/ j.tecto.2016.02.027.
  • Pallabee Choudhury, Sumer Chopra and Ketan Singha Roy, Site classification for strong motion stations in Gujarat, India using response spectral ratio, Soil Dynamics and Earthquake Engineering, DoI 10.1016/j.soildyn.2016.04.016.
  • Joshi, Monu Tomer, Sohan Lal, Sumer Chopra, Sandeep Singh, Sanjay Prajapati, M. L. Sharma, Sandeep, Estimation of the source parameters of the Nepal earthquake from strong motion data, Natural Hazards, 83, 867-883.
  • Sanjay K. Prajapati, Harendra K. Dadhich, Sumer Chopra, Isoseismal map of the 2015 Nepal earthquake and its relationships with ground-motion parameters, distance and magnitude, Journal of Asian Earth Sciences, DoI 10.1016/j.jseaes.2016.07.013.
  • Vikas Kumar, Dinesh Kumar, Sumer Chopra, Estimation of source parameters and scaling relations for moderate size earthquakes in North-West Himalaya, Journal of Asian Earth Sciences 128, 79–89.
  • Sowrav Saikia, Sumer Chopra, Santanu Baruah, Upendra K. Singh, Shallow sedimentary structure of the Brahmaputra valley constraint from receiver functions analysis, Pure and Applied Geophysics, doi: 10.1007/s00024-016-1371-3.
  • Babita Sharma, Sumer Chopra, P. Chingtham, Vikas Kumar, A study of characteristics of ground motion response spectra from earthquakes recorded in NE Himalayan region: an active plate boundary, Natural Hazards, doi:10.1007/s11069-016-2543-2.
  • Prasanta Chingtham, Babita Sharma, Sumer Chopra, Pareshnath SinghaRoy, Statistical analysis of aftershock sequences related with two major Nepal earthquakes: April 25, 2015, MW 7.8, and May 12, 2015, MW 7.2, Annals of Geophysics, doi:10.4401/ag-7025.

Summary of Professional Experience

Designation Organization Duration
From To
Senior Scientific Assistant (Geophysics) Sardar Sarovar Narmada Nigam Limited 1990 2006
Scientist-D Institute of Seismological Research 2006 2010
Scientist-E Ministry of Earth Sciences 2010 2015
Director/Scientist-G Institute of Seismological Research 2015 Present


  • Certificate of Merit by Ministry of Earth Sciences for outstanding contribution in Geosciences in 2015.