LECTURE OUTLINE GEOL 483.3, Term 2
SEISMOLOGY
Instructor:
Igor Morozov
Geology 142;
9662761; Office hours: Mon, Thurs., 35
pm.
Course Texts:
 Applied Geophysics, 1990, Second Edition, W. M. Telford, L.
P. Geldart, R. E. Sheriff. Cambridge University Press.
 Introduction to Seismology, 2nd ed., 2009, Shearer, P. M., Cambridge
University Press.
Recommended: Exploration Seismology, 1995, Second
Edition, R. E. Sheriff and L P. Geldart, Cambridge University Press.
Introduction (lecture)
 Objectives and outline of the program
 Seismology and Seismics: Historical background and techniques
 Significance and scope of the application of the specific
geophysical methods
 Resolution, penetration, and bandwidth
Location and tomography (lecture)

Forward travel time problem

Generalized inverse

Leastsquares inverse, regularization

Resolution matrix
Elastic Waves (lecture)
 Mechanical properties of rocks, laboratory and in situ
stressstrain relationships
 Elastic wave theory  scalar and full wave equations, general
aspects of wave propagation
 Wave potentials
 Waves in layered media
Reflection coefficients

Reflection and transmission of seismic waves

Matrix description of oblique incidence of plane waves

P/SV mode conversions

Zoeppritz equations

Amplitude versus offset relations, their applications
Seismic Attenuation (lecture)

Attenuation mechanisms

Quality factor

Relation of attenuation to dispersion

Compensation of attenuation
Refraction Methods (lecture)

Physical Principles

Survey procedures, onshore/marine

Applications: exploration, engineering, environment and crustal
environments

Target related field survey design methods

Interpretation techniques

Case studies
Reflection Methods (2D) (lecture)

Physical principles

Field operation geometries, 2D/3D, onshore/marine

Noise types, noiserecognition, signalnoise time and spatial
relationships

Design of signal detection systems and special problem oriented
recording systems

Velocity extraction methods, data dependent borehole techniques

Data display techniques, black and white/colour technologies, digital
poststack data handling and picking techniques

Interpretation procedures, correlation of seismic arrivals to
geology, borehole geology, wireline data

Synthetic seismograms modelling

Examples: seismic images of faults, subsurface reefs,
synclinesanticlines, seismic stratigraphic signatures, high
resolution near surface buried channels and lithologic
discontinuities

Subsurface target definition, horizontal/vertical resolutions imaging
limitations

Design of integrated target required data acquisitionprocessing and
interpretation operations
Reflection Methods (3D) (lecture)

Layouts and CMP binning in 3D

Specifics of 3D survey planning

Acquisition footprint

Examples
Vertical Seismic Profiling (lecture)

Method and Specifics

Data analysis
Time and spatial series (lecture)
 Convolution, Cross and Autocorrelation,
 Frequency Filtering
 Spatial filtering (fk, tp)
Reflection Seismic processing (lecture)

Filtering, deconvolution, spectral analysis, spectral whitening (lecture)

Automatic Gain control (AGC)

Automatic detection of arrivals (STA/LTA)

Stacking
Seismic attributes (lecture)
Migration and inversion

Preand poststack migration

Time migration

Depth migration

Waveform inversion