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Course, academic year 2023/2024

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Strong motion seismology - NGEO103

Title:	Seismologie silných pohybů
Guaranteed by:	Department of Geophysics (32-KG)
Faculty:	Faculty of Mathematics and Physics
Actual:	from 2013
Semester:	winter
E-Credits:	3
Hours per week, examination:	winter s.:2/0, Ex [HT]
Capacity:	unlimited
Min. number of students:	unlimited
4EU+:	no
Virtual mobility / capacity:	no
State of the course:	taught
Language:	Czech, English
Teaching methods:	full-time
Teaching methods:	full-time

Guarantor:	prof. RNDr. František Gallovič, Ph.D.

Opinion survey results Examination dates WS schedule Noticeboard

Annotation -

Last update: T_KG (02.05.2013)

Records of strong ground motions, ground motion prediction equations. Seismic hazard assessment. Site and source effects, modeling of strong ground motions.

Aim of the course -

Last update: T_KG (02.05.2013)

Students will learn about strong ground motion recordings in epicentral area and their properties, about seismic hazard assessment and theoretical basis of strong ground motion modeling of earthquakes.

Course completion requirements -

Last update: prof. RNDr. František Gallovič, Ph.D. (10.06.2019)

Oral exam

Literature - Czech

Last update: T_KG (02.05.2013)

B. A. Bolt., Seismic strong motion synthetics, Academic Press, 1987

Teaching methods -

Last update: T_KG (02.05.2013)

Lecture

Requirements to the exam - Czech

Last update: prof. RNDr. František Gallovič, Ph.D. (06.10.2017)

Zkouška je ústní, požadavky odpovídají sylabu v rozsahu prezentovaném na přednášce.

Syllabus -

Last update: T_KG (02.05.2013)

Strong ground motion data

Strong motion instruments and data examples. Ground motion characteristics, response spectrum. Omega-squared source model, source scaling. Directivity.

Ground motion prediction equations (GMPEs)

Determination of empirical GMPEs (relation between ground motion, distance and magnitude), parameters, uncertainty, examples.

Seismic hazard assessment

Probabilistic seismic hazard assessment (PSHA). Eleatory and epistemic uncertainty. Earthquake catalog processing. Hazard curves, uniform hazard spectrum, sensitivity analysis, deaggregation. Deterministic seismic hazard assessment (DSHA).

Site effects

Frequency-selective amplification ('resonance') and prolongation of ground motion due to subsurface structures. Layered and basin structures. Spectral ratios with respect to reference station. Horizontal/vertical spectral ratios. Transfer function of 1-D models excited by plane waves. Empirical transfer functions by generalized inversion. Numerical simulation of 1D, 2D and 3D site effects - a short introduction. Joint source-basin interaction.

Source effects

Point-source approach, stochastic Green’s functions. Kinematic modeling of finite-extent sources, integral and composite models, directivity, hybrid approaches.

Strong motion modeling

Synthetic seismograms for anti-seismic design. Scenario earthquakes, synthetic GMPEs.

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