Simanchal Padhy - Department of Earth Sciences,Indian Institute of Technology Roorkee
Simanchal Padhy
Simanchal Padhy Associate professor spadhy@es.iitr.ac.in
Areas of Interest
  • Seismic wave propagation and scattering, Interferometry and ambient noise tomography, Analysis of earthquake strong motion records, Fractals, non-linear dynamics and signal processing
Multiple Posts
FromPeriodPositionOrganisation
1998-12-0111 months 29 daysResearch ScholarCSIR-NGRI, Hyderabad
1999-11-303 years 11 months 30 daysJunior ScientistCSIR-NGRI, Hyderabad
2003-11-302 years 11 months 30 daysScientistCSIR-NGRI, Hyderabad
2006-11-303 years 11 months 30 daysSenior ScientistCSIR-NGRI, Hyderabad
2010-11-304 years 11 months 30 daysPrincipal Scientist & Associate Professor, AcSIRCSIR-NGRI, Hyderabad
2015-11-305 years 2 months 8 daysSenior Princiapl Scientist & Professor, AcSIRCSIR-NGRI, Hyderabad
2021-02-08OngoingAssociate ProfessorIIT Roorkee
Honors and Awards
AwardInstituteYear
Member, 20th Indian Antarctica Expedition (4 months) from Govt. of indiaCSIR-NGRI, Hyderabad2001
CSIR Young Scientist Award In Earth Sciences from Govt. of IndiaCSIR-NGRI, Hyderabad2008
National Geosciences Award in Applied Geophysics from Govt. of IndiaCSIR-NGRI, Hyderabad2014
DAAD Fellowship (16 months)University of Leipzig, Germany2004
Visiting Scientist (3 months)Tohoku University, Japan2007
JSPS Postdoctoral Fellowship (24 months)The University of Tokyo, Japan2010
Visiting Scientist (18 months)The University of Tokyo, Japan2012
Visiting Scientist (3 months)The University of Tokyo, Japan2015
JSPS Invitation Fellowship (10 months)The University of Tokyo, Japan2017
Visiting Scientist (One month)The University of Tokyo, Japan2019
Educational Details
DegreeSubjectUniversityYear
PhDSeismology (Seismic wave propagation & scattering)CSIR-NGRI/ Osmania University, Hyderabad2005
MastersApplied GeophysicsIndian Institute of Technology (ISM) Dhanbad1998
MastersElectronicsBerhampur University1994
B.ScPhysics (Hons.), Mathematics, Chemistry & ElectronicsBerhampur University1992
PostdoctorateSeismic wave propagation & scatteringThe University of Tokyo, Japan2010
PostdoctorateSeismic wave propagationThe University of Tokyo, Japan2012
PostdoctorateSeismic wave propagationThe University of Tokyo, Japan2017
PostdoctorateSeismic TomographyTohoku University, Japan2007
Teaching Engagements
TitleCourse CodeClass NameSemester
Advanced SeismologyES-472Integrated M.TechSpring
Geophysical ProspectingES- 223Integrated M.TechSpring
PHDs Supervised
TopicScholar NameStatus of PHDRegistration Date
Attenuation Characteristics of body waves and computed ground motion in north-east India and adjoining areasSubhadra NampallyA2009-01
Plate motion and seismo-tectonics in and around Indian Ocean using GPS-GeodesyA AkilanA2013-01
Crust and uppermost mantle structure of the Madagascar Islands from ambient noise tomographyNicholas Irabor AdimahA2016-05
Visits to outside institutions
Institute VisitedPurpose of VisitDate
University of Leipzig, GermanyDAAD Fellow2004-06-06
Universite Montpellier II, FranceVisiting Researcher2005-08-01
Tohoku University, JapanVisiting Scientist2007-12-01
The University of Tokyo, JapanJSPS Postdoctoral Fellow2010-06-01
The University of Tokyo, JapanPostdoctoral Researcher2012-10-01
The University of Tokyo, JapanPostdoctoral Researcher2015-06-01
The University of Tokyo, JapanVisiting Scientist2016-08-01
The University of Tokyo, JapanJSPS Invitation Fellow2017-03-01
The University of Tokyo, JapanVisiting Scientist2019-08-01
Books Authored
  • Padhy, S, High-frequency seismology. In: Gupta H.K. (eds) Encyclopedia of Solid Earth Geophysics. Encyclopedia of Earth Sciences Series., Springer, 2020.
  • Padhy, S. and Dimri, VP, Fractal scaling of earthquakes. In: Gupta H.K. (eds) Encyclopedia of Solid Earth Geophysics. Encyclopedia of Earth Sciences Series, Springer, 2020.
  • Padhy, S, The Multi-fractal Scaling Behavior of Seismograms Based on the Detrended Fluctuation Analysis. In: Dimri VP. (eds) Fractal Solutions for Understanding Complex Systems in Earth Sciences., Springer Earth System Sciences, 2016.
Referred Journal Papers
  • Aftershock activity and frequency dependent low coda-Qc in the epicentral region of the 1999 Chamoli earthquake of Mw 6.4, Mandal, P., Padhy, S.., et. al., Springer, 2001 , Pure and Applied Geophys. , 158 vols , 1719-1735 pages
  • Intermittent Criticality on regional scale in Bhuj, Padhy S, Wiley, 2004 , Geophysical J. Int , 158 vols , 676-680 pages
  • A Scattering model for seismic attenuation and its global applications, Padhy S, Elsevier, 2005 , Physics of the Earth and Planetary Interiors , 148 vols , 1-12 pages
  • Rescaled range fractal analysis of a seismogram for identification of signals from an earthquake, Padhy S, Springer, 2005 , Current Science , 87 vols , 637-641 pages
  • High pore fluid pressures at Bhuj inferred from 90–flips in shear wave polarizations, Padhy, S., and Crampin, S, Wiley, 2006 , Geophysical J. Int , 164 vols , 370-376. pages
  • Seismogram Envelope Inversion using a multiple isotropic scattering model - Application to aftershocks of the 2001, Bhuj earthquake., Padhy, S., Wegler, U., and Korn, M, Seismological Society of America, 2007 , Bulletin of Seismological Society of America , 97 vols , 222-233 pages
  • Synthesis of expected ground motion using Semi-empirical Green’s Function approach and its comparison with observed accelerations in Garhwal Himalaya, Subhadra, N., Padhy, S. et. al., GSI, 2008 , Indian Minerals (Special Issue) , 61 (3-4) vols , 201-212 pages
  • Characteristics of body wave attenuation in the Bhuj crust., Padhy S, Seismological Society of America, 2009 , Bulletin of Seismological Society of America , 99 vols , 3300-3313 pages
  • Inversion of seismogram envelopes using a multiple isotropic scattering model in Garhwal Himalaya, Padhy S, Seismological Society of America, 2009 , Bulletin of Seismological Society of America , 99 vols , 727-740 pages
  • Attenuation of high-frequency seismic waves in northeast India, Padhy, S., and Subhadra, N, Wiley, 2010 , Geophys. J. Int. , 181 vols , 453-467 pages
  • Frequency dependent attenuation of P- and S-waves in the northeast India, Padhy, S., and Subhadra, N, Wiley, 2010 , Geophys. J. Int , 183 vols , 1052-1060. pages
  • Strong ground motions from the 2011 off-the Pacific-Coast-of-Tohoku, Japan (Mw=9.0) earthquake obtained from a dense nationwide seismic network, Furumura, T., Takemura, S., Noguchi, S., Takemoto, T., Maeda, T., Iwai, K., and Padhy, S, Springer, 2011 , Landslides , 3. 10.1007/s10346-011-0279-3 pages
  • Strong ground motions from the 2011 off-the Pacific-Coast-of-Tohoku, Japan (Mw=9.0) earthquake obtained from a dense nationwide seismic network, Furumura, T., Takemura, S., Noguchi, S., Takemoto, T., Maeda, T., Iwai, K., and Padhy, S, Springer, 2011 , Landslides
  • Crustal heterogeneity in the 2007 Noto-Hanto earthquake area and its geodynamical implications, Padhy, S., Mishra, OP., Zhao, D., and Wei, W., Elsevier, 2011 , Tectonophysics , 55-68 vols , 509 pages
  • Frequency dependent attenuation of body and coda waves in the Andaman Sea basin, Padhy, S., Subhadra, N. and Kayal, JR, Seismological Society of America, 2011 , Bulletin Seismological Society of America , 101 vols , 109-125. pages
  • Spatial and temporal variations in coda attenuation associated with the 2011 off the Pacific coast of Tohoku, Japan (Mw 9) earthquake., Padhy, S., Takemura, S., Takemoto, T., Maeda, T., and Furumura, T, Seismological Society of America, 2013 , Bulletin of Seismological Society of America , 103 (2B) vols , 1411-1428 pages
  • Separation of intrinsic and scattering seismic wave attenuation in Northeast India., Padhy, S., and Subhadra, N, Wiley, 2013 , Geophysical Journal International , 195 (3) vols , 1892-1903 pages
  • Decoupling of Pacific subduction zone guided waves beneath central Japan: Evidence for thin slab, Padhy, S., Furumura, T., and Maeda, Wiley, 2014 , Journal Geophysical Research (Solid Earth) , 119 (11) vols , 8478-8501 pages
  • Effects of errors and biases on the scaling of earthquake spatial pattern: application to the 2004 Sumatra–Andaman sequence., Padhy, S., Mishra, OP., Subhadra, N., Dimri, VP., Singh, OP., Chakrabortty, GK, Springer, 2015 , Natural Hazards , 77 (1) vols , 75-96 pages
  • Site specific ground motion simulation and seismic response analysis for microzonation of Nanded city, India, Subhadra, N., Padhy, S., et. al., Springer, 2015 , Natural Hazards , 78 (2) vols , 915-938 pages
  • The plate kinematics of Burmese micro-plate relative to its surroundings., Akilan, A., Balaji, S., Padhy, S., et al., Springer, 2016 , Arabian Journal of Geosciences , 9(5) vols , 333 pages
  • Changes in atmospheric water content associated with an unusual high snowfall during June 2004 at Maitri station (Schirmacher Oasis, East Antarctica) and the role of South West Indian ridge geodynamics., Akilan, A., Azeez, KKA., Schuh, H., Padhy, S., et al., Springer, 2016 , Natural Hazards , 83(1) vols , 563-574 pages
  • Spectral scaling and seismic efficiency for earthquakes in northeast India, Padhy, S., Subhadra, N, Seismological Society of America, 2016 , Bulletin of the Seismological Society of America , 106(4) vols , 2. 1613-1627 pages
  • Enhanced waveguide effect for deep‐focus earthquakes in the subducting Pacific slab produced by a metastable olivine wedge, Furumura, T., Kennett, BLN., and Padhy, S, Wiley, 2016 , Journal of Geophysical Research: Solid Earth , 121(9) vols , 1. 6779-6796 pages
  • Depth dependent azimuthal anisotropy in Madagascar island from ambient noise tomography, NI Adimah, S Padhy, Elsevier, 2020 , Tectonophysics
  • Seismicity and structure of the Indian subcontinent, JR Kayal, S Padhy, Springer, 2020 , Episodes Journal of International Geoscience , 43(1) vols , 650-664 pages
  • Ambient noise Rayleigh wave tomography across the Madagascar island., NI Adimah, S Padhy, Wiley, 2020 , Geophysical Journal International , 220 (3) vols , 1657-1676 pages
  • Apparent scaling of virus surface roughness – An example from the pandemic SARS-nCoV, Padhy, S. and Dimri, V.P, Elsevier, 2020 , Physica D: Nonlinear Phenomena , 414 vols , 132704 pages
  • Perturbations in atmospheric gaseous components over coastal Antarctica detected in GPS signals and its natural origin to volcanic eruption, Akilan, A., Abdul Azeez, K., Schuh, H., Padhy, S. et. al., Elsecier, 2019 , Polar Science , 19 vols , 69-76 pages
  • Characterizing spatial heterogeneity based on the b-value and fractal analyses of the 2015 Nepal earthquake sequence, Subhadra, N., Padhy, S., and Dimri, VP, Elsevier, 2018 , Tectonophysics , 722 vols , 154-162 pages
  • Evaluation of site effects on ground motions based one response equivalent-linear site response analysis and liquefaction potential in Chennai, south India, Subhadra, N., Padhy, S., et al, Springer, 2018 , Journal of Seismology , 22 (4) vols , 1075-1093 pages
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