Teaching & Mentoring

Course Code: AcSIR-28-PS-AD-017

Credits: 3

Syllabus:

Seismological theory: Stress, Strain, Equation of motion, Seismic waves, Seismic wave equation, Ray tracing in layered media including Snell’s law, Huygen’s principle, Fermat’s principle, Eikonal equation, Ray parameter/Slowness, Ray theory, Theory of Love and Rayleigh surface waves, Surface wave dispersion.

Seismology and Earth structure: Reflection and refraction seismology in brief, the concept of common midpoint stacking, Deconvolution, Migration, Ray paths, Travel-time curves, Different earthquake phases, Anisotropy, Attenuation - Q factor.

Hypocentral parameters of earthquakes: Definition of hypocenter, Epicentre, Basic inverse theory for location, Location methodology – 1 station, 3 station method, Wadati diagrams, Magnitude calculation, Different magnitude scales, Intensity, Earthquake statistics - b value.

Earthquake source: Concept of focal mechanism including fault geometry, Radiation pattern, First motion polarity, Waveform modelling using source time function, Equivalent forces and Moment Tensors, Corner frequency from source spectra, Source parameters – seismic moment, fault radius and stress drop.

Travel-time tomography: Basic concepts and theory.

Receiver Function Analysis: Concepts

Practical: Data acquisition layout/installation of equipment, Sample data processing and interpretation

Course Code: AcSIR-28-PS-AD-005

Credits: 3

Part Syllabus (NGRI 2-487 C):

Preliminary Statistics and Computational Methods Introduction to Statistical Methods – Mean values and standard deviations, probability, conditional and joint probability, Baye’s theorem, Binomial, Normal and Poisson Distributions, Gaussian limit of the binomial distribution, Distribution of several random variables, Continuous distributions, Testing of Hypothesis. Sampling and Large Sample Test-Chi-square test, Theory of Estimation, Optimization techniques and Time Series Analysis. Random variables, Random numbers, Probability, Probability distribution, distribution function and density functions, Examples of distribution and density functions, Joint a marginal probability distribution, Mathematical expectation, moments, variances, and covariances, Conditional probability, Monte Carlo integration, Importance sampling, Stochastic processes, Markov chain.

M. Sc in Marine Geophysics (2023-2025)

Department of Marine Geology & Geophysics, Cochin University of Science and Technology (CUSAT), Kerala

Dissertation Title: Estimating the focal mechanisms of the 7th January 2025 Mw 7.1 Southern Tibet and past earthquakes in the adjacent region

M. Sc in Marine Geophysics (2022-2024)

Department of Marine Geology & Geophysics, Cochin University of Science and Technology (CUSAT), Kerala

Dissertation Title: Identifying the Lithosphere Asthenosphere Boundary (LAB) Phase in P Receiver Functions Beneath Global Cratons

M. Sc (Tech.) in Applied Geophysics (2020-2023)

Department of Geophysics, Kurukshetra University, Haryana

Dissertation Title: Identifying Landslide Seismic Signals from Continuous Waveform Data using Short Term Average (STA) by Long Term Average (LTA) Ratio 

Integrated M. Sc in Earth Sciences (2013-2018)

Center for Earth, Ocean and Atmospheric Sciences, University of Hyderabad, Telangana

Dissertation Title: Estimation of Average Moho Depth in Gujarat Region by Computing PmP Delay Times on P-Normalized Waveform Stack  

Alumnus of M. Sc (Tech) in Geophysics, Andhra University, Andhra Pradesh

Thesis Title: Deciphering Source Characteristics and Seismogenic Behaviour of The Kopili Fault Zone, Northeast India

Alumnus of M. Sc in Marine Geophysics, Cochin University of Science and Technology, Kerala

Thesis Title: Seismic Analysis and Modelling of Source Mechanism of Landslides in Uttarakhand Himalaya

Alumnus of M. Sc (Tech) in Applied Geophysics, Kurukshetra University, Haryana

Thesis Title: Seismic Detection and Location of Landslides in Arunachal Pradesh Region

Alumnus of M. Sc (Tech) in Geophysics, Andhra University, Andhra Pradesh

Thesis Title: Delineating the geometry of crustal discontinuities beneath the Uttarakhand Himalaya through high-resolution passive seismological imaging