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Dr. Sumer Chopra

Designation : Director
Phone Number : +91-79-66739001
Email : dg-isr@gujarat.gov.in, sumerchopra@isr.res.in

Academics:

  • M.Tech (Applied Geophysics), University of Roorkee, presently, IIT Roorkee (1990).
  • Ph.D (Geophysics), Kurukshetra University (2010).

Positions:

  • 1990-2005 - Senior Scientific Assistant (Geophysics) in Sardar Sarovar Narmada Nigam Limited, Govt. of Gujarat Undertaking.
  • 2005-2010 – Scientist-D, Institute of Seismological Research, Department of Science and Technology, Govt. of Gujarat.
  • 2010-2015 – Scientist-E, Ministry of Earth Sciences, Govt. of India.
  • 2015- Director, Institute of Seismological Research, Department of Science and Technology, Govt. of Gujarat.
  • 2020- Officiating Director General, Institute of Seismological Research, Department of Science and Technology, Govt. of Gujarat.

Thrust areas of research:

  • Modelling of strong ground motions, probabilistic and deterministic seismic hazard analysis, site-specific response studies, site characterization, shallow geophysics, passive seismology for resource exploitation.

Awards and Honours :

  • CSIR-NET in 1990, awarded certificate of merit by Ministry of Earth Sciences, Govt. of India for outstanding contribution in Geosciences in 2015.

Publications (SCI)

  • Sumer Chopra, K. Madhusudhan Rao, B. Sairam, Santosh Kumar, A.K. Gupta, Hardik Patel, M.S. Gadhavi and B.K.Rastogi (2008). Earthquake Swarm Activities after Rains in Peninsular India and a Case Study from Jamnagar, Journal of Geological Society of India, Vol.72, 245-252.
  • Sumer Chopra, R.B.S.Yadav, Patel, Hardik, Kumar, Santosh, Rao, K.M., Rastogi, B.K., Hameed, Abdul & Srivastava, Sanjay (2008). The Gujarat (India) seismic network, Seismological Research Letters, Vol.79, 799-808.
  • R.B.S.Yadav, J.N.Tripathi, B.K.Rastogi, Sumer Chopra (2008). Probabilistic Assessment of Earthquake Hazard in Gujarat and Adjoining Regions of India,Pure and Applied Geophysics, Vol.165, 1813-1833.
  • R.B.S.Yadav, B.K.Rastogi, M.C.Das and Sumer Chopra (2009). A homogeneous and completeearthquake catalogue of north east India and adjoining region, Seismological Research Letters, Vol.80, 609-627.
  • Sumer Chopra (2009). Institute of Seismological Research, Gujarat, News and Notes, Journal of Geological Society of India 74(4), 537-537.
  • Sumer Chopra, K.M.Rao and B.K.Rastogi (2010). Estimation of Sedimentary Thickness in Kachchh Region by SP Converted Phase, Pure and Applied Geophysics, Vol.167, 1247-1257.
  • Sumer Chopra, Dinesh Kumar and B.K.Rastogi (2010). Estimation of Strong Ground Motions for 2001 Bhuj (Mw 7.6), India Earthquake, Pure and Applied Geophysics, Vol.167, 1317-1330.
  • Sumer Chopra, Dinesh Kumar and B.K.Rastogi (2010).Attenuation of high frequency P and S waves in the Gujarat Region, India, Pure and Applied Geophysics, Vol.168, 797-813.
  • R.B.S.Yadav, D.Shankar,Sumer Chopraand A.P.Singh (2010). An application of regional time and magnitude predictable model for long-term earthquake prediction in the vicinity of October 8, 2005 Kashmir Himalaya earthquake, Natural Hazards, Vol.54, 985-1014.
  • R.B.S.Yadav, J.N.Tripathi, B.K.Rastogi, M.C.Das and Sumer Chopra (2010). Probabilistic assessment of earthquake recurrence in north east India and adjoining regions, Pure and Applied Geophysics, Vol.167, 1331-1342.
  • R.B.S.Yadav, E.E.Papadimitriou, V.G.Karakostas, B.K.Rastogi, Sumer Chopra, D.Shankar, A.P.Singh and Santosh Kumar (2011). The 2007 Talala, Saurashtra, Western India earthquake sequence:Tectonic implications and seismicity triggering, Journal of Asian Earth Sciences, Vol.40, 303-314.
  • Sumer Chopra and Pallabee Choudhury (2011), A Study of Response Spectra for Different Geological Conditions in Gujarat, India, Soil Dynamics and Earthquake Engineering, Vol.31(11), 1551-1564.
  • R.B.S. Yadav, Yusuf Bayrak, J. N. Tripathi, Sumer Chopra, A.P. Singh and Erdem Bayrak (2012), A Probabilistic Assessment of Seismic Hazard Parameters in NW Himalaya and the Adjoining Regions, Pure and Applied Geophysics, Vol.169, 1619-1639.
  • R.B.S. Yadav, V.K. Gahalaut, Sumer Chopraand Bin Shan (2012), Tectonic Implications and Seismicity Triggering During the 2008 Baluchistan, Pakistan Earthquake Sequence, Journal of Asian Earth Science, Vol.45, 167-178.
  • Sumer Chopra, Dinesh Kumar, B.K.Rastogi, Pallabee Choudhury and R.B.S.Yadav (2012), Deterministic seismic scenario in Gujarat region, India, Natural Hazards, Vol.60, 517-540.
  • Arun K Gupta, Anup K Sutar, Sumer Chopra, Santosh Kumarand B.K. Rastogi (2012), Attenuation Characteristics of Coda Waves in Mainland Gujarat (India) Tectonophysics, Vol.530-531, 264-271.
  • Sumer Chopra, Dinesh Kumar, Pallabee Choudhury and R.B.S.Yadav (2012), Stochastic Finite Fault Modeling of Mw 4.8 Earthquake in Kachchh, Gujarat, India, Journal of Seismology, Vol.16, 435-449.
  • Santosh Kumar, Sumer Chopra, Pallabee Choudhury, A.P.Singh and R.B.S.Yadav (2012). Ambient noise levels in Gujarat State (India) Seismic Network, Geomatics, Natural Hazards and Risks, Vol.3, 342-354.
  • R.B.S. Yadav, Yusuf Bayrak, J. N. Tripathi and Sumer Chopraand E Bayrak (2012), Regional Variation of the ω-Upper Bound Magnitude of GIII Distribution in Hindukush-Pamir Himalaya and the Adjoining Regions: A Perspective on Earthquake Hazard, Tectonophysics, Vol.544-545, 1-12.
  • Sumer Chopra, Vikas Kumar, Anup Suthar and Pankaj Kumar (2012), Modeling of strong ground motions for 1991 Uttarkashi, 1999 Chamoli earthquakes and a hypothetical great earthquake in Garhwal-Kumaun Himalaya, Natural Hazards, Vol.64, 1141-1159.
  • Sumer Chopra, Dinesh Kumar, B.K.Rastogi, Pallabee Choudhury and R.B.S.Yadav (2013), Estimation of site amplification functions in Gujarat region, India, Natural Hazards, Vol.65, 1135-1155.
  • Sumer Chopra, Dinesh Kumar, B.K.Rastogi, Pallabee Choudhury and R.B.S.Yadav (2013), Estimation of seismic hazard in Gujarat region, India, Natural Hazards, Vol.65, 1157-1178.
  • Pallabee Choudhury, J.K.Catherine, V.K.Gahalaut, Sumer Chopra, Rakesh Dumka and Ketan Singha Roy (2013), Post-seismic deformation associated with the 2001 Bhuj Earthquake, Natural Hazards, Vol.65, 1109-1118.
  • Babita Sharma, Sumer Chopra, Anup Kumar Sutar and B.K.Bansal (2013), Estimation of Strong Ground Motion from a Great Earthquake in Central Seismic Gap Region using Empirical Green’s Function Technique, Pure and Applied Geophysics, Vol.170, 2127-2138.
  • R.B.S. Yadav, T.M. Tsapanos, J.N. Tripathi and Sumer Chopra (2013), An Evaluation of Tsunami Hazard Using Bayesian Approach in theIndian Ocean, Tectonophysics, Vol.593, 172-182.
  • Arun K. Gupta, Sumer Chopra, Sanjay K. Prajapati, Anup K. Sutar and B.K. Bansal (2013), Intensity distribution of M 4.9 Haryana-Delhi border earthquake, Natural Hazards,Vol.68, 405-417.
  • Rashmi Pradhan, Sanjay K Prajapati, Sumer Chopra, Brijesh KBansal, Ashok Kumar and C D Reddy (2013), Causative source of Mw 6.9 Sikkim-Nepal border earthquake of September 2011: GPS baseline observations and strain analysis, Journal of Asian Earth Science, Vol.70-71, 179-192.
  • Sanjay K. Prajapati, Ashok Kumar, Sumer Chopra, and B.K. Bansal (2013), Intensity map of Mw 6.9 2011 Sikkim-Nepal border earthquake and its relationships with PGA, Distance and Magnitude, Natural Hazards, Vol.69, 1781-1801.
  • Jyoti Sharma, Sumer Chopra and Ketan Singha Roy (2013), Estimation of Source parameters, Quality factor (Qs) and Site characteristics using accelerograms: Uttarakhand Himalaya region, Bulletin of Seismological Society of America, Vol.104, 360-380.
  • Sumer Chopra, Jyoti Sharma, Anup Suthar and B K Bansal (2014), Estimation of Source Parameters of Mw 6.9 Sikkim Earthquake and modeling of ground motions to determine causative fault, Pure and Applied Geophysics, Vol.171, 1311-1328.
  • Pallabee Choudhury, Sumer Chopra, Ketan Singha Roy and B K Rastogi (2014), A review of strong motion studies in Gujarat state of western India, Natural Hazards, Vol.71, 1241-1257.
  • P. Chingtham, Sumer Chopra, Baskoutas and B.K.Bansal (2014), An assessment of seismicity parameters in NW Himalaya and adjoining regions, Natural Hazards, Vol.71, 1599-1616.
  • Sumer Chopra, Tao-Ming Chang, Sowrav Saikia, R.B.S. Yadav, Pallabee Choudhury and Ketan Singha Roy (2014), Crustal structure of the Gujarat region, India: New constraints from the analysis of teleseismic receiver functions, Journal of Asian Earth Sciences Vol.96, 237-254.
  • Babita Sharma, P. Chingtham, Anup K. Sutar, Sumer Chopra and H.P.Shukla (2015), Frequency dependent attenuation of seismic waves for Delhi and surrounding area, India,Annals of Geophysics, 58, 2, 2015, S0216; doi:10.4401/ag-6636.
  • SowravSaikia, Sumer Chopra, P R Baidya, Santanu Baruah (2016) Crustal imaging of the Northwest Himalaya and its foredeep region from teleseismic events, Geomatics, Natural Hazards and Risk, Vol.7, 1265-1286.
  • Babita Sharma, Sumer Chopra and Vikas Kumar (2016), Simulation of Strong Ground Motion for 1905 Kangra Earthquake and a possible mega thrust earthquake (Mw 8.5) in Western Himalaya (India) using Empirical Green’s Function Technique, Natural Hazards, Vol.80, 487-503.
  • P.Chingtham, R.B.S.Yadav, Sumer Chopra, A.Yadav, A.K.Gupta and P.N.S.Roy (2016), Time-Dependent Seismicity Analysis in the Northwest Himalaya and its Adjoining Regions, Natural Hazards, Vol.80, 1783-1800.
  • Pallabee Choudhury, Sumer Chopra, Ketan Singha Roy, and Jyoti Sharma (2016), Ground motion modelling in the Gujarat region of western India using Empirical Green's Function approach, Tectonophysics, Vol.675, 7-22.
  • Pallabee Choudhury, Sumer Chopra and Ketan Singha Roy (2016), Site classification for strong motion stations in Gujarat, India using response spectral ratio, Soil Dynamics and Earthquake Engineering, Vol.87, 138-150.
  • A. Joshi, Monu Tomer, Sohan Lal, Sumer Chopra, Sandeep Singh, Sanjay Prajapati, M. L. Sharma, Sandeep (2016), Estimation of the source parameters of the Nepal earthquake from strong motion data, Natural Hazards, Vol.83, 867-883.
  • Vikas Kumar, Dinesh Kumar, Sumer Chopra (2016), Estimation of source parameters and scaling relations for moderate size earthquakes in North-West Himalaya, Journal of Asian Earth Sciences Vol.128, 79–89.
  • Babita Sharma, Sumer Chopra, P. Chingtham, Vikas Kumar, (2016) A study of characteristics of ground motion response spectra from earthquakes recorded in NE Himalayan region: an active plate boundary, Natural Hazards, Vol.84, 2195-2210.
  • Prasanta Chingtham, Babita Sharma, Sumer Chopra, Pareshnath SinghaRoy (2016), 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, Vol.59, 5, S0540.
  • Sanjay K. Prajapati, Harendra K. Dadhich, Sumer Chopra (2017), Isoseismal map of the 2015 Nepal earthquake and its relationships with ground-motion parameters, distance and magnitude, Journal of Asian Earth Sciences, Vol.133, 24-37.
  • Sowrav Saikia, Sumer Chopra, Santanu Baruah, Upendra K. Singh (2017), Shallow sedimentary structure of the Brahmaputra valley constraint from receiver functions analysis, Pure and Applied Geophysics, Vol.174, 229-247.
  • Pallabee Choudhury, Sumer Chopra, Ketan Singha Roy, Jyoti Sharma and B K Rastogi (2017), Revisiting the 1956 Anjar earthquake in western India: Empirical Green’s function approach, Bulletin of Seismological Society of America, 107(2), 592-602.
  • Vishwa Joshi, Sumer Chopra, P. Mahesh, and Santosh Kumar (2017), Joint modeling of velocity structure andhypocentral locations in the seismically activeKachchh, Saurashtra, and Narmada regions ofWestern India: An active intraplate region, Seismological Research Letters, Vol.88 (5), 1390-1402.
  • A. P. Singh, Abhijitsinh Parmar, Sumer Chopra (2017), Microtremor study for evaluating the site response characteristics in the Surat City of western India, Natural Hazards Vol.89, 1145-1166.
  • Girish Ch. Kothyari, Sumer Chopraand M. Ravi Kumar (2017), A report on the International workshop on‘Shallow Subsurface Investigations for ResourceExploration and Hazard Estimation’organized by the ISR and the DST, Government ofGujarat, collaboration with the NHPC, during 19–20January 2017, at ISR, Gandhinagar, Current Science, 113(3), 379-380.
  • Prasanta Chingtham, Sanjay K. Prajapati, Vineet K. Gahalaut, Sumer Chopra, Pareshnath Singha (2017), RoyForecasting seismicity rate in the north-west Himalaya using rate and state dependent friction law, Geomatics, Natural Hazards and Risk, Vol8, 2017, 1643-1661.
  • Sowrav Saikia, Santanu Baruah, Sumer Chopra, Upendra K. Singh, Bibhuti Gogoi, Himanata B. Gohain (2018), Study of crustal structure and geological implications of south western margin of Northeast India, Journal of Seismology, Vol.22, 229-249.
  • Sumer Chopra, Vikas Kumar, Pallabee Choudhury and R B S Yadav (2018). Site classification of Indian strong motion network using response spectra ratios, Journal of Seismology, Vol.22, 419-438.
  • Kapil Mohan, Peush Chaudhary, Pruthul Patel, B.S. Chaudhary, Sumer Chopra (2018), Magnetotelluric study to characterize Kachchh Mainland Fault (KMF) andKatrol Hill Fault (KHF) in the western part of Kachchh region of Gujarat,India, Tectonophysics, 726, 43-61.
  • B Sairam, A P Singh, Vandana Patel, Vasu Pancholi, Sumer Chopra, V K Dwivedi and M Ravi Kumar (2018), Influence of local site-effect in the Ahmedabad mega-city on the damage due to past earthquakes in Northwest India, Bulletin of Seismological Society of India, Vol.108(4), 2170-2182.
  • Pallabee Choudhury, Sumer Chopra, M. Ravi Kumar (2018), A review of seismic hazard assessment of Gujarat: A highly active intra-plate region, Earth-Science Reviews, Vol.187, 205-218.
  • G Pavan Kumar, Indu Chaudhary, Mehul Nagar, Avinash Chouhan, SP Prizomwala, P Mahesh, Sumer Chopra (2018), Transient Electromagnetic investigations in a tectonic domain of the Kachchh intraplate region, western India: A morphotectonic study of the Kachchh Mainland Fault, Tectonics, Vol.37, 4239-4260.
  • Jayaprakash Vemuri, Subramaniam Kolluru and Sumer Chopra (2018), Surface Level Synthetic Ground Motions for M7.6 2001 Gujarat Earthquake, Geosciences, Vol.8(12), 429.
  • Vishwa Joshi, Sumer Chopra and Santosh Kumar (2019), A Local Magnitude Scale ML for the Kachchh rift basin: an active intraplate region, Gujarat, India, Bulletin of Seismological Society of India, Vol.109(1), 34-42.
  • Vikas Kumar, Dinesh Kumar and Sumer Chopra (2019), Source parameters and Scaling relations for Moderate size earthquakes in North-East India region, Pure and Applied Geophysics, Vol.176, 45-64.
  • Nisarg Bhatt, Vasu Pancholi, Sumer Chopra, Madam Mohan Rout, R D Shah and G C Kothyari (2019), Rapid seismic hazard assessment of the Sabarmati river basin in Gujarat state using GIS techniques, Bulletin of Engineering Geology and Environment, Vol.78, 3927-3942.
  • Rakesh K. Dumka, Sumer Chopra, Sandip Prajapati (2019), GPS derived crustal deformation analysis of Kachchh, zone of 2001(M7.7)earthquake, Western India, Quaternary International, Vol.507, 295-301.
  • Shreyasvi C, Katta Venkataramana, Sumer Chopra and Madan Mohan Rout (2019), Probabilistic seismic hazard assessment of Mangalore and its adjoining regions, a part of Indian peninsula- An intraplate region, Pure and Applied Geophysics, Vol.176, 2263-2297.
  • C. Shreyasvi, Katta Venkataramana, Sumer Chopra (2019), Local site effect incorporation in probabilistic seismic hazard analysis – A case studyfrom southern peninsular India, an intraplate region, Soil Dynamics and Earthquake Engineering, 123, 381-398.
  • Sowrav Saikia, Santanu Baruah, Sumer Chopra, Bibhuti Gogoi, Upendra K. Singh, Bubul Bharali (2019), An appraisal of crustal structure of the Indo-Burmese subduction region, Journal of Geodynamics, 127, 16-30.
  • A. Sateesh, P. Mahesh, A. P. Singh, Santosh Kumar, Sumer Chopra, M. Ravi Kumar (2019), Are earthquake swarms in South Gujarat, northwestern DeccanVolcanic Province of India monsoon induced? Environmental Earth Sciences, Vol.78, 381.
  • B.Sairam, A.P.Singh, Vandana Patel, Sumer Chopra, Ravi Kumar (2019), VS30 Mapping and Site Characterization in the seismically active intraplate region of Western India - Implications for Risk Mitigation, Near Surface Geophysics, vol.17, 533-546.
  • Pallabee Choudhury, Sumer Chopra, Charu Kamra, Archana Das (2019), New Insight into recent earthquake activity in North Cambay basin, Western India: Seismological and Geodetic perspectives, Bulletin of Seismological Society of America, Vol.109(6), 2240-2251.
  • Vinay Dwivedi, R K Dubey, Vasu Pancholi, M M Rout, Pawan Singh, B Sairam, Sumer Chopra, B K Rastogi (2020) Multi criteria study for seismic hazard assessment of UNESCO world heritage Ahmedabad city, Gujarat, Western India, Bulletin of Engineering Geology and Environment, Vol.79, 1721-1733.
  • P Mahesh P, A Sateesh, Charu Kamra, Santosh Kumar, Sumer Chopra and M Ravi Kumar (2020), Earthquake swarms in Palghar district, Maharashtra, DeccanVolcanic Province, Current Science V 118(5), 701-704.
  • Vishwa Joshi, Sumer Chopra and Santosh Kumar (2020), A local magnitude scale ML for the Saurashtra horst:An active intraplate region, Gujarat, India, Journal of Earth System Science, 129 114, 1-9.
  • Naveen Kumar, Kapil Mohan, Rakesh K Dumka and Sumer Chopra (2020), Soft Sediment Deformation Structures in Quaternary Sedimentsfrom Dadra and Nagar Haveli, Western India, Journal of Geological Society of India V95,455-464.
  • Vikas Kumar, Sumer Chopra, Pallabee Choudhury, Dinesh Kumar (2020), Estimation of near surface attenuation parameter Kappa (κ) in Northwest and Northeast Himalaya region, Soil Dynamics and Earthquake Engineering, V136, 106237.
  • Vasu Pancholi, Vinay Dwivedi, N.Y.Bhatt, Pallabee Choudhury and Sumer Chopra (2020), Geotechnical Investigation for Estimation of Liquefaction Hazard for the Capital City of Gujarat State, Western India, Geotechnical and Geological Engineering, Vol.38, 6551-6570.
  • A.P. Singh, B. Sairam, Vasu Pancholi, Sumer Chopra, M Ravi Kumar (2020), Delineation of thickness of intrabasaltic rocks beneath the Deccan Volcanic province of western India through microtremor analysis, Soil Dynamics and Earthquake Engineering, 138, 106348.
  • Charu Kamra, Sumer Chopra, R.B.S Yadav, Vishwa Joshi (2020), Characterization of major fault systems in the Kachchh intraplate region, Gujarat, India by focal mechanism and source parameters, Seismological Research Letters, Vol.91(6), 3496-3517.
  • Kapil Mohan, Shruti Dugar, Vasu Pancholi, Vinay Dwivedi, Sumer Chopra, B. Sairam (2021), Micro‐seismic hazard assessment of Ahmedabad city, Gujarat (Western India) through near‐surface characterization/soil modeling, Bulletin of Earthquake Engineering, Vol.19, 623-656.
  • M. G. Thakkar, Gaurav Chauhan and Sumer Chopra (2021), 200 years of Commemoration of Allah Bund Earthquake of Kachchh, Journal of Geological Society of India, V97, 109-110.
  • Santosh Kumar, R. Chaitanya Kumar, Ketan Singha Roy, and Sumer Chopra (2021), Seismic monitoring in Gujarat, India,during 2020 Coronavirus lockdown and lessons learned, Seismological Research Letters, Vol.92(2A), 849-858.
  • Pratima Pandey, Prakash Chauhan, C. M. Bhatt, Praveen K Thakur, Suresh Kannaujia, Pankaj R. Dhote, Arijit Roy, Santosh Kumar,Sumer Chopra, Ashutosh Bhardwaj, S. P. Aggrawal (2021), Cause and process mechanism of rockslide triggered flood event in Rishiganga and Dhauliganga river valleys, Chamoli, Uttarakhand, India using satellite remote sensing and in situ observations, Journal of the Indian Society of Remote Sensing, Vol.49, 1011-1024.
  • Charu Kamra, Sumer Chopra, R B S Yadav (2021), Joint inversion for stress and fault orientations using focal mechanisms of earthquakes in the Saurashtra horst, a part of stable continental region of India and source parameters estimation, Journal of Seismology, https://doi.org/10.1007/s10950-021-10016-1.
  • Dilip Singh, Kapil Mohan, Sumer Chopra (2021), Magnetotelluric investigation in the swarm prone intraplate Talala region of Saurashtra, Gujarat, western India, Journal of Applied Geophysics, 192, 104381.
  • Mehul Nagar, Pavan Kumar, P Mahesh, Rakesh Nikam, Avinash Chouhan, D Nagarjuna, Sumer Chopra and Ravi Kumar (2021), Magnetotelluric evidence for trapped fluids beneath the seismogenic zone of the Mw6.0 Anjar earthquake, Kachchh intraplate region, Northwest India, Tectonophysics, DOI: 10.1016/j.tecto.2021.228969.
  • Avinash Kumar Chouhan, Sumer Chopra, Dinesh Singh (2021), Structural interpretation over the epicentre zone of 1819 Allah-Bund earthquake, North-Western India in an intraplate setup using global gravity data, Journal of the Indian Society of Remote Sensing, doi.org/10.1007/s12524-021-01422-6.
  • Vasu Pancholi, Nisarg Bhatt, Pawan Singh and Sumer Chopra (2022), Multi-criteria approach using GIS for macro-level seismic hazard assessment of Kachchh Rift Basin, Gujarat, Western India– First step towards earthquake disaster mitigation, Journal of Earth System Science, doi.org/10.1007/s12040-021-01744-6.
  • Vasu Pancholi, V. K. Dwivedi, B. Sairam, Pallabee Choudhury, Sumer Chopra, and N. Y. Bhatt (2022), Engineering geological mappingfor seismic hazard assessmentof the Gandhinagar city, Western India, Earthquake Geotechnics,Select Proceedings of 7th ICRAGEE 2021, Vol.187, https://doi.org/10.1007/978-981-16-5669-9_6.
  • Pallabee Choudhury, KS Roy, Charu Kamra, Sumer Chopra (2022), Development of empirical relationship between the observed and the estimated ground acceleration values of small to moderate earthquakes in northwest (Gujarat) and northeast (NE) regions of India, Geomatics, Natural Hazards and Risk, 13, 364-389.
  • Naveen Kumar, R K Dumka, Kapil Mohan, Sumer Chopra (2022), Relative active tectonics evaluation using geomorphic and drainage indices, in Dadra and Nagar Haveli, western India, Geodesy and Geodynamics, https://doi.org/10.1016/j.geog.2022.01.001.
  • SowravSaikia, Sumer Chopra, BibhutiGogoi, AntaraSharma, J.L.Gautam, Himanta Borgohain, Upendra K.Singh (2022), Variation in Moho topography and Poisson's ratio in the Eastern Himalayan arc, Physics and Chemistry of the Earth, Parts A/B/C, DoI: 10.1016/j.pce.2022.103134.
  • Pallabee Choudhury, Charu Kamra, Santosh Kumar, Ketan Singha Roy, K. Madhusudhana Rao, Sumer Chopra, M. Ravi Kumar (2022), Occurrence of small to moderate magnitude earthquakes in Kachchh intraplate zone: a special emphasis to the 2020 Bhachau earthquake, Journal of Asian Earth Sciences:X, doi: https://doi.org/ 10.1016/j.jaesx.2022.100089.
  • Archana Das, Aashima Sodhi, Chintan D. Vedpathak, S. P. Prizomwala, Rajesh Agnihotri, Nisarg Makwana, Jaquilin Joseph, Nikhil Patel, Sumer Chopra, M. Ravi Kumar (2022), Evidence for seawater retreat with advent of Meghalayan era (∼4200 a BP) in a coastal Harappan settlement, Geochemistry, Geophysics, Geosystems, https://doi.org/10.1029/2021GC010264.
  • Avinash Kumar Chouhan, Sumer Chopra, Himanshu Chaube, Dinesh Singh and Abhishek Kumar Mishra (2022), Integrated analysis of the gravity and the magnetic datato infer structural features and their role in prospectivemineralisation in and aroundthe Ambaji–Deri–Danta–Chitrasani region, NW India, Journal of Earth System Science, 131, 226, doi.org/10.1007/s12040-022-01979-x.
  • Rakesh Nikam, Sumer Chopra, G. Pavan Kumar, Indu Chaudhary, Mehul Nagara, Himanshu Chaube, Dinesh Singh, Durga Prasad, and Nagarjuna Danda (2022), Investigation of Hydrological Characteristics of the Kachchh Mainland Fault (KMF) Zone, Gujarat, Western India Using Time Domain Electromagnetic Study, Journal of Earth System Science, 131 (4), 248.
  • G. Srijayanthi, R S Chatterjee, Charu Kamra, Mamta Chauhan, Sumer Chopra, SantoshKumar, Prakash Chauhan, Harsh Limbachiya, and P K Champati Ray (2022), Seismological and InSAR based investigations to characterise earthquake swarms in Jamnagar, Gujarat, India – An active intraplate region, Journal of Asian Earth Sciences: X, 8, 100118.
  • VasuPancholi, VishalChaudharya, SunayLakhmapurkar, PruthulPatel, RajanRabari, ChinmayDongare, Sumer Chopra (2022), Estimation of Groundwater Potential Zones Using Remote Sensing and Geographical Information System Technique- Waghai Taluka, Dang District, Gujarat, Western India, Environmental Challenges, https://doi.org/10.1016/j.envc.2022.100615.
  • B.K.Rastogi and Sumer Chopra (2022), A Report on National Symposium on Advances in Earthquake Science (AES 2022) at ISR, Gandhinagar, Journal of Geological Society of India ,98, 1325-1326.
  • Rakesh Nikam,G. Pavankumar, Vasu Pancholi, Dilip Singh, Mehul Nagar & Nagarjuna D,Sumer Chopra (2023), Geoelectrical investigation for groundwater resources in parts of theAhmedabad and Gandhinagar cities, Gujarat, India, Current Science, 124 (3), 340.
  • Rakesh Nikam, G. Pavan Kumar, A.Durga Prasad, Himanshu Chaube and Sumer Chopra (2023), Delineation of Paleochannel and Groundwater Resources in The Khari River Basin, Kachchh Using Transient Electromagnetics, Journal of Geological Society of India, 99 (2), 239-246.
  • Charu Kamra, Sumer Chopra and R.B.S. Yadav (2023), Tectonic stress of north-eastern Indian region derived from seismic focal mechanisms and the effect of focal mechanism on stress drop: a comparative analysis with Kachchh intraplate region of India, Geophysical Journal International, 234, 453-478.
  • Brijesh Bansal, Sumer Chopra and Y M Wu (2023), Seismic Hazard Assessment of Metropolitan Cities: Scenario and Challenges, Frontiers in Earth Science, 11, 640.
  • 100. Girish Ch Kothyari,Rakesh K Dumka, Sumer Chopra, K Dilip Singh, Bhavan K Tamta,Charu Kamra (2023), Triggering mechanism and brittle-ductile dynamics of active faults in thesouth-central Saurashtra horst, Gujarat, western India: A geospatial,geological, and geophysical approach, Journal of Asian Earth Sciences:X, 9, 100155.
  • Kapil Mohan, Shruti Dugar, Vasu Pancholi, Vinay Kumar Dwivedi, Naveen Kumar, B.Sairam and Sumer Chopra (2023), A multi-scenario based micro seismic hazard assessment of the Bhuj City, Western India incorporating Geophysical and Geotechnical parameters, Quaternary Science Advances, https://doi.org/10.1016/j.qsa.2023.100138.
  • Mandal, B., Vijaya Rao, V., Karuppannan, P., Laxminarayana, K., Chopra, S., Ravi Kumar, M., & Kumar, P. (2023). Deep seismic reflection imaging of Mesozoic Kachchh rift, NW India: Implications for evolution. Tectonics, 42, e2023TC007992. https://doi.org/10.1029/2023TC007992.
  • Indu Bala, Santosh Kumar, Manisha Sandhu;,Sumer Chopra, Dinesh Kumar (2024). Estimation of Geometrical Spreading Factor and Coda‐Wave Attenuation Characteristics for the Saurashtra Horst in Western Deccan Volcanic Province, Gujarat, India, Bulletin of the Seismological Society of America, https://doi.org/10.1785/0120230221.
  • Kapil Mohan, Peush Chaudhary, Pruthul Patel, Sumer Chopra, (2024), Segmented geoelectrical characterization of the Kachchh Mainland Fault (Western India) and significance for seismic Hazard, Tectonophysics, 885, 230422.
  • Gaurav Chauhan, Sakshi V. Samji, Aditya Joshi, Manoj Limaye, J. M. Patel, Hemashri Thacker, Yash Shah, Bhavyata Chavada, Suraj Bhosale, Abhishek Lakhote, Chirag Jani, Suruchi Chauhan, Girish Ch. Kothyari, Siddharth Prizomwala, Harish Kapasya, Darshit Padia, Subhash Bhandari, M. G. Thakkar, Sumer Chopra& Narendra Kumar Chauhan (2024), Geoheritage values of Ambaji Region, Gujarat: Western India, Geoheritage, 16, 82.
  • Rakesh K Dumka, Donupudi Suribabu, Sumer Chopra, Santosh Kumar, Sandip Prajapati (2024), PSI derived measurements of monsoon induced anomalousdeformation before the earthquake swarm activity: a case study in theSaurashtra, Western India, Environmental Earth Sciences, 83:496.
  • S T G Raghukanth, BhargaviPodili, K P Sreejaya, I D Gupta, A D Roshan, R Sinha, S Chopra, D Srinagesh, Alpa Sheth,R Goswami, H S Mandal, Ram Jivan Singh, J K Chaudhary,S Arun Kumar and C V R Murty (2024), Draft Earthquake Zone Map of India, Journal of Earth System Science, 133, 158.
  • Aashna Tandon, S.P. Prizomwala, Tarun Solanki, Abhijeet Ambekar, Rakesh Nikam, Pradeep Srivastava, Sumer Chopra (2025), An archaoseismological investigation of the footprints of human resilience to seismic shaking from the alluvial plains of Gujarat, Western India, Geomorphology, 109631.
  • Pallabee Choudhury, Sumer Chopra and G. Srijayanthi (2025), Seismology and earthquake preparedness in Gujarat: advancements after the 2001Bhuj Earthquake, Journal of Geological Society of India.
  • D. Pragnatha, G. Srijayanthi, Santosh Kumar, and Sumer Chopra (2025), SeisAug: A data augmentation python toolkit, Applied Computing and Geosciences, 100232.
  • Uppala Srinu, B Padma Rao, G Srijayanthi, Santosh Kumar and Sumer Chopra (2025), Impact of velocity model on Moho depth: Insightsfrom receiver function migration in intraplate Gujaratregion, India, Journal of Earth System Science, 134 77.

Projects Completed/Ongoing

  • Joint Into-Taiwanese project entitled “Scenario Strong Motion Estimation for Gujarat, India” sponsored by DST, Govt. of India and National Science Council, Taiwan.
  • DST/MoES, Govt. of India sponsored project entitled “Seismological Research and Applications in Gujarat.”
  • DST/MoES, Govt. of India sponsored project entitled “Crustal Deformation Studies in Kachchh and West Narmada Region of Gujarat.”
  • BARC, Govt. of India sponsored project entitled “Generation of Attenuation Correlation for ground motion based on the shear wave velocity study in Gujarat region.”
  • Gujarat Infrastructure Development Board, Govt. of Gujarat sponsored project entitled “Seismic Microzonation of Dholera Special Investment Region (SIR).”
  • Gujarat State Petroleum Corporation Limited, Govt. of Gujarat sponsored project entitled “Seismotectonic study of LNG-GSPC terminal site at Mundra, Gujarat.”
  • MoES, Govt. of India sponsored project entitled “Seismic Microzonation of Ahmedebed, Gujarat.”
  • Site-Specific Seismic Hazard Analysis for site selection for statue of unity (180 m high), highest monument in the world for Sardar Sarovar Narmada Nigam Limited, a Govt. of Gujarat Undertaking.
  • Site-Specific Seismic Hazard Assessment at Kakrapar Nuclear Power Plant.
  • Site-Specific Seismic Hazard Assessment at Devni Mori near Shamlaji for Gujarat Pavitra Yatra Dham Board.
  • Site-Specific Seismic Hazard Assessment of Zydus Corporate House, Ahmedabad for Zydus.
  • Site-Specific Seismic Hazard Assessment of Dwarka Jagat Mandir for Gujarat Pavitra Yatra Dham Board.
  • Site-Specific Seismic Hazard Assessment of Sant Nagri, Sabarkantha for Gujarat Pavitra Yatra Dham Board.
  • MoES, Govt. of India sponsored project entitled “Seismic Microzonation of Bhuj City, Kachchh.”
  • Site specific study of LPG Terminal at Dhamra, Orissa for M/S Adani.
  • Site Specific Seismic study to develop site specific Response spectrum for Cable stayed Bridge at Zuari River, Goa.
  • Site-specific investigations using Multi-channel Analysis of Seismic Waves Survey (MASW) for Museum Building, Smriti Van, Bhuj for Gujarat State Disaster Management Authority (GSDMA).
  • Site-specific investigations using by MASW technique for proposed 2.5m Telescopic facility site at PRL premises, Gurushikhar, Mount Abu for Physical Research Laboratory, Ahmedabad.
  • Seismic Hazard Assessment of LNG Terminal at Dhamra, Orissa for M/S Adani.
  • Site specific spectral analysis for LPG terminal Mundra, Kachchh for M/S Adani.
  • Seismic Hazard Assessment of Dadra & Nagar Haveli for UT Administration.
  • Site-specific response study for Indian Oil Corporation new facility at Bogaigaon, Assam.
  • Seismic Hazard Assessment and salinity ingression monitoring of Bhadbhut project.
  • Seismic Hazard Assessment of M/S Adani solar power and windmill project in Rann of Kachchh.
  • Geophysical surveys for delineation of fresh water aquifer in Dang district Gujarat for GWRDC.
  • Salinity ingression monitoring for the proposed Barrage across River Narmada near Bhadbhut, Distt. Bharuch.
  • Low frequency passive seismic surveys in Linch, Mansa and Jotana for ONGC.
  • Low frequency passive seismic surveys in Dholka and Digas for GSPC.
  • Seismic microzonation of Amritsar, Meerut, Lucknow, Kanpur, Agra, Varanasi, Patna and Dhanbad in India.
  • Site-specific seismic hazard assessment of PVC and Naptha plants at Mundra for M/S Adani.
  • Site-specific seismic hazard assessment for LNG tanks at Dahej for M/S L & T.
  • Site-specificseismic hazard assessment for IOCL-Barauni PPU Plant at Barauni, Bihar.
  • Site-specific hazard assessment of Sardar Sarovar, Indira Sagar, Seti, Dharoi, Kadana, Sipu, Ukai, Machhundri, Hiren, Tapi barrage, and Shetrunji dams.
  • Site-specific seismological study for National Maritime Heritage Complex, Lothal,Gujarat.
  • Site-specific hazard assessment of PSP projects at Vijaynagar, Narihalla, Pane, Kandaura, Teesta, Bilaspur, Anantpur, Patgaon and Musakhand.