Lecture 53 of 57Week 12
Lecture 53 : Seismology and Plate tectonics, Spreading centers, Subduction zones
Prof. Mohit Agrawal · IIT-ISM Dhanbad
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- Earthquake Seismology, IIT-ISM Dhanbad (at NPTEL)
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge. Coordinated by IIT Kharagpur.
- Who can watch
- Tweens profiles and older. How courses are placed
All the lectures
- Lecture 01 : Introduction
- Lecture 02 : Waves on a String
- Lecture 03 : Stress
- Lecture 04 : Strain tensor and Constitutive equations
- Lecture 05 : Equations of Motion
- Lecture 06 : Wavenumber vector, Slowness, P-and S-wave Polarization
- Lecture 07 : Seismic spectrum, Seismogram rotation, Spherical Waves
- Lecture 08 : Energy in the Plane Wave, Potentials at an Interface
- Lecture 09 : Boundary Conditions, Types Of Interfaces, Ray Theory, Reflection/Transmission
- Lecture 10 : Snell’s law, Transmission and Reflection Coefficients, Fermat’s Principle, Huygen’s Principle
- Lecture 11 : Precritical, Critical, and Postcritical waves, reflection and transmission coefficients
- Lecture 12 : Surface waves
- Lecture 13 : Rayleigh Waves
- Lecture 14 : Love waves
- Lecture 15 : Dispersion
- Lecture 16 : Dispersion example in the Earth and Tsunamis
- Lecture 17 : Normal modes
- Lecture 18 : Torsional and Spheroidal Modes , Splitting , Normal modes Synthetic Seismogram
- Lecture 19 : Solving numerical problems
- Lecture 20 : Refraction seismology
- Lecture 21 : Refraction seismology (Contd.)
- Lecture 22 : Reflection seismology (Contd.)
- Lecture 23 : Earth as a constant velocity Distribution
- Lecture 24 : Multi Channel Data Geometry
- Lecture 25 : Seismic waves in spherical earth
- Lecture 26 : Velocity distribution
- Lecture 27 : Body waves
- Lecture 28 : Core Phases
- Lecture 29 : Velocity structure of upper mantle and lower mantle
- Lecture 30 : Anisotropic earth structure
- Lecture 31 : Anisotropic earth structure (Contd.)
- Lecture 32 : Attenuation and Anelasticity
- Lecture 33 : Attenuation and Anelasticity (Contd.)
- Lecture 34 : Attenuation and Anelasticity (Contd.)
- Lecture 35 : Composition of the mantle and core
- Lecture 36 : Composition of the mantle and core (Contd.)
- Lecture 37 : Composition of the mantle and core (Contd.)
- Lecture 38 : Composition of the mantle and core (Contd.)
- Lecture 39 : Earthquakes, focal mechanisms, moment tensors
- Lecture 40 : Earthquakes, focal mechanisms, moment tensors (Contd.)
- Lecture 41 : Earthquakes, focal mechanisms, moment tensors (Contd.)
- Lecture 42 : Earthquakes, focal mechanisms, moment tensors (Contd.)
- Lecture 43 : Earthquakes, focal mechanisms, moment tensors (Contd.)
- Lecture 44 : Brief on Earthquake geodesy
- Lecture 45 : Brief on Earthquake geodesy (Contd.)
- Lecture 46 : Brief on Earthquake geodesy (Contd.)
- Lecture 47 : Brief on Earthquake geodesy (Contd.)
- Lecture 48 : Source parameters, Earthquake statistics
- Lecture 49 : Source parameters, Earthquake statistics (Contd.)
- Lecture 50 : Source parameters, Earthquake statistics (Contd.)
- Lecture 51 : Source parameters, Earthquake statistics (Contd.)
- Lecture 52 : Source parameters, Earthquake statistics (Contd.)
- Lecture 53 : Seismology and Plate tectonics, Spreading centers, Subduction zones
- Lecture 54 : Seismology and Plate tectonics, Spreading centers, Subduction zones (Contd.)
- Lecture 55 : Seismology and Plate tectonics, Spreading centers, Subduction zones (Contd.)
- Lecture 56 : Numerical Problems in Seismology
- Lecture 57 : Numerical Problems in Seismology (Contd.)