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Course, academic year 2018/2019
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Practical Course in Seismology - NGEO011
Title in English: Praktikum ze seismologie
Guaranteed by: Department of Geophysics (32-KG)
Faculty: Faculty of Mathematics and Physics
Actual: from 2016
Semester: summer
E-Credits: 3
Hours per week, examination: summer s.:0/2 C [hours/week]
Capacity: unlimited
Min. number of students: unlimited
State of the course: taught
Language: Czech, English
Teaching methods: full-time
Guarantor: RNDr. Vladimír Plicka, Ph.D.
RNDr. Jaromír Janský, CSc.
Classification: Physics > Geophysics
Annotation -
Last update: T_KG (16.05.2001)
Introduction into seismographs theory; seismograms processing; seismic stations network; earhquake location and mechanism.
Aim of the course -
Last update: PLICKA/MFF.CUNI.CZ (11.04.2008)

Tha aim of this course is to introduce the students into the observation practice (seismograph types, data processing, cooperation with the data centers)

Literature - Czech
Last update: RNDr. Pavel Zakouřil, Ph.D. (05.08.2002)
  • B. Bolt, Earthquakes, W.H. Freeman and Company, San Francisco 1978.
  • O. Kulhánek, Anatomy of Seismograms, Elsevier 1990.
  • F. Scherbaum, Basic Concepts in Digital Signal Processing for Seismologists, Springer-Verlag, 1994.
  • http://wwwneic.cr.usgs.gov
  • http://orfeus.knmi.nl
  • http://seis30.karlov.mff.cuni.cz

Teaching methods -
Last update: T_KG (11.04.2008)

Practicals

Syllabus -
Last update: T_KG (07.05.2002)
Seismic station Prague

History of the station; instaled seismographs; UK MFF stations in Greece; Czech seismic stations

Seismographs

Priciple, types and parameters; transfer function (poles and zeroes); frequency and impulse response

Seismograms

Reading of analog and digital records (program SCREAM), output formats (GCF, SAC, ASCII); Seismogram convolution and deconvolution, filtration, spectra, component rotation, phase polarization (program PITSA)

Wave kinematics

The models of the medium: planar and spherical (JB, IASP91), velocity-depth gradients and discontinuities; body main and supplementary wave phases, epicentral distance, travel-time curves (program TTIME), azimuth; Wiechert-Herglotz method, Tau method; dispersion of surface waves

Earthquake location

Global, regional and local networks; earthquake position, origin time and depth; linearisation of the problem, Geiger's method, program HYPO, Master event method, grid search

Wave dynamics

Earthquake intensity; magnitude; scalar seismic moment; corner frequency

Seismic source

Focal mechanism (first motion polarities, amplitude spectra and polarities - program ASPO); Apparent source time function; empirical Green's funtions

Data centers and Internet

National Earthquake Information Center; International Seismological Center; Observatories and Research Facilities for European Seismology; Swiss Seismological Service

Literature:

  • B. Bolt, Earthquakes, W.H. Freeman and Company, San Francisco 1978.
  • O. Kulhánek, Anatomy of Seismograms, Elsevier 1990.
  • F. Scherbaum, Basic Concepts in Digital Signal Processing for Seismologists, Springer-Verlag, 1994.
  • http://wwwneic.cr.usgs.gov
  • http://orfeus.knmi.nl
  • http://seis30.karlov.mff.cuni.cz

 
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