GPH 505 Geophysical Data Processing*(3+0+0)3
Basic signals, sampling, Z transforms, Fourier analysis.
Least squares fitting, covariance and correlation functions.
Power spectra. Probability. Normal, Binomial and Poisson distributions.
Deconvolution, optimum filters, linear filters in earth sciences.
Special filters in geophysics: polarization analysis, f-k filtering.Matrıx algebra.
GPH 507 Introduction to Seismology**(3+0+0)3
Study of seismology, the science of earthquakes and its historical
development. Seismic waves: Body waves, surface waves. Travel
times and structure of the earth. Seismogram interpretation. Seismographs.
Anelasticity and anisotropy. Focal parameters of earthquakes: Earthquakes
and faults, location, magnitude, seismic moment, intensity, seismic energy.
Seismicity, seismotectonics, seismic hazard and seismic risk.
GPH 509 Introduction to Geophysical Methods
A detailed study of the theory and application of geophysical methods
for mining, petroleum exploration and engineering studies. Emphasis
on recent advances is seismic, gravity, electrical and magnetic
techniques. Laboratory work to solve exploration problems in magnetic,
electrical and seismic methods.
GPH 520 Plate Tectonics and Crustal Dynamics
The interior of the earth. Characteristics of the earth’s crust.
Principal tectonic features of the earth. Oceanic crust and spreading
centers. Plate motion; driving forces. Convergent margins; subductions,
back-arc basins. Oceanic transform faults. Triple junctions and
Collision, development of orogenic belts, formation of mountain roots,
ophiolite emplacement, sutures, delamination. Case studies: Himalaya,
Alps, Ural, Ands, Red Sea, Eastern Mediterranean, Anatolia, Aegean.
GPH 521 Earthquake Geology
Brittle fracture of rock. Rock friction. Mechanics of faulting and
earthquakes. Seismotectonics. Geology of earthquake source region.
Active fault morphology, tectonic geodesy, seismic cycle, earthquake
GPH 525 Computers in Geosciences
C and Fortran programming. Application of numerical methods
computer simulations of geophysical methods. Development of
individual projects, writing appropriate computer codes. Introduction to
efficient use of Matlab as a tool for research in Earth Sciences.
GPH 528 The Physics of Earth’s Interior
Chemical and physical models of the earth. Studying structure of
the Earth’s crust by using explosion and earthquake seismology,
gravity, magnetic and electromagnetic methods. Case studies from
Turkey and the world.
GPH 530 Electromagnetic Methods in Geophysics
Study of electromagnetic sounding methods. Principles of magnetotellurics
(MT), controlled source audio-frequency magnetotellurics (CSAMT),
geomagnetic deep sounding (GDS) and very-low-frequency (VLF)
methods. Field applications and interpretation of electromagnetic data.
GPH 531 Fields in Geophysics
Introduction to the classical field theory of geophysical interest, namely
steady state and time dependent electromagnetic fields, currents.
Lagrangian field theory. Gravitational and magnetic fields.
GPH 532 Geomagnetism and Paleomagnetism
Historical development of geomagnetism. Global geomagnetic
studies, observation techniques, instrumentation and geomagnetic
observatories. Introduction to paleomagnetism.
GPH 540 Wave Propagation I
Stress and strain, equation of motion, wave equation, One
dimensional solution of wave equation, body waves and ray theory,
Snell’s Law, travel times and the structure of the Earth.
GPH 542 Physics of Earthquake Sources I
Point sources. Near field, far field radiation. Equivalent body
forces. Double couple sources. Elastostatic. Elastodynamic. Seismic
moment tensor. Radiation pattern. Fault plane solutions. Finite sources.
Rupture models. Haskell source. Source directivity. Source spectrum.
Fault geometry and corner frequency. Stress drop, rupture velocity.
GPH 543 Observational Seismology
Historical and conceptual background of observational seismology,
consequences of recent technical developments, seismicity, seismic
sources and source parameters, rules and procedures for magnitude
determination and magnitude scales, seismic waves and travel times,
seismic signals and noise, seismic data formats, data analysis
and seismogram interpretation, seismic analysis codes (SAC, Seatools,
geotools), locating earthquakes.
GPH 544 Seismic Instrumentation
Overview, basic theory and history of seismometry. The frequency
response function, the transfer function, the impulse response function,
the condition for stability, the step response function, pole and zero
positions. Seismometry, seismic sensors and their calibration, seismic
recording systems. Seismic networks: Site selection, preparation and
installation of seismic stations, seismic network purpose, seismic network
configuration, data transmission and data acquisition. Seismic arrays.
GPH 547 Seismic Interpretation
Theory of seismic refraction and reflection, data processing, velocity
analysis, filtering, migration, synthetic seismograms, two and three-
dimensional interpretation, computer applications and examples.
GPH 560 Environmental and Applied Geophysics
Principles and applications of geophysical methods, seismic refraction
and reflection, gravity, magnetism, electromagnetism, resistivity and
ground penetrating radar. Hands on field exercises and demos at
some selected sites. Familiarization with report writing and application of
each method. Site studies related to environmental, engineering and
GPH 579 Graduate Seminar*
The widening of students’ perspectives and awareness of topics of
interest to geophysicists through seminars offered by faculty, guest
speakers and graduate students.
GPH 591-594 Selected Topics in Geophysics I-IV
Topics related to the research works in geophysics. Practical
aspects of explosion and earthquake seismology. Use of software for
analyzing collected geophysical data and preparing scientific reports.
GPH 595-596 Independent Studies I-II
Independent research projects or directed readings designed to meet
the needs and interests of individual students. Regular conferences
given by students and instructors required.
GPH 598 M.Sc. Seminar
Investigation in depth of a special topic related with the student’s
major area of study and research in geophysics, with the aim of
original contribution to the subject. Preparation and defence of a M.S.
GPH 690 M.Sc. Thesis
Investigation in depth of a special topic related with the student’s
major area of study and research in geophysics, with the aim of original
contribution to the subject. Preparation and defence of a M.S. thesis.
GPH 601-602 Ph.D. Seminar I-II
Material collection and presentation of a particular subject of interest
to the student. Improvement of the students’ ability in self-initiated
learning, systematizing collected materials for utilization, not
only for oral presentation but also for information retrieval and responding
GPH 630 Magnetotelluric Method (MT)
Theoretical basis of magnetotelluric (MT) method. Apparent resistivity
and phase relationships in MT. Field experiments. Data processing and
modeling of MT data.
GPH 631 Advanced Geomagnetism
Spherical harmonic analysis. External, crustal and internal geomagnetic
fields, representation of the internal field, secular variation, dipole and
non-dipole fields, westward drift. Introduction to dynamo theory.
GPH 633 Numerical Methods in Electromagnetics
Finite element method (FEM) in electromagnetism. Ritz and Galerkin
methods. One, two and three dimensional finite element analyses, boundary
GPH 640 Array Seismology
The term “Seismic array”, geometrical parameters, beam forming and
detection processing, array transfer function, slowness estimation using
seismic arrays, array design.
GPH 641 Physics of Earthquake Source II
Moment tensor representation. Body wave modeling.
Surface wave modeling. Rectangular and circular fault models.
Rupture dynamics. Friction: Byerlee's Law, Coulomb failure, slip-weakening,
rate- and state-dependent friction. Nucleation, propogation and arrest of a
rupture. Crack growth model. Spatio-temporal seismicity patterns.
Characterization of fault zone structures, trapped waves.
GPH 642 Global Seismology
Global distribution of seismic sources. Large scale structure of
the Earth. Crustal and upper mantle propagation. Mantle and
core phases. Receiver function. Global tomography. S-wave splitting
and upper mantle anisotropy. Free oscillations of the Earth. Surface
waves on spherical earth. Normal modes. Centroid moment tensor.
GPH 644 Inversion Methods in Geophysics
Inverse of matrices, eigenvalues and eigenvectors, singular value
decomposition, linear inverse problems, least squares solution of
the linear inverse problems, solving underdetermined and overdetermined
problems with constraints, generalized inverses, monte carlo methods,