Mechanism of PGA generation for homogeneous ruptures

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Table of contents

PART 1: SEISMIC SOURCE RUPTURE AND CONSEQUENT GROUND MOTION 
1 STATE OF ART 
1.1 OVERVIEW OF SOURCE RUPTURE AND NEAR-FAULT GROUND MOTION
1.1.1 GENERAL INTRODUCTION ABOUT EARTHQUAKES
1.1.2 FUNDAMENTAL EQUATIONS FOR EARTHQUAKE GROUND MOTION
1.1.3 EARTHQUAKE GROUND MOTION MODELING
1.1.4 THE SOURCE RUPTURE PROCESS
1.1.5 CONSTRAINING SOURCE PARAMETERS FROM OBSERVATIONS
1.1.6 FROM SOURCE RUPTURE TOWARDS GROUND MOTION
1.2 IMPACT OF SEISMIC RUPTURE ON SURFACE GROUND MOTION
1.2.1 PGA CONTROLLED BY THE LARGE-SCALE SOURCE PARAMETERS: ROLE OF AVERAGE STRESS DROP
1.2.2 PGA CONTROLLED BY THE LOCAL-SCALE HETEROGENEITIES
2 THE SOURCE PARAMETERS CONTROLLING THE HIGH-FREQUENCY GROUND MOTION 
2.1 ABSTRACT
2.2 INTRODUCTION
2.3 MECHANISM OF PGA GENERATION IN KINEMATIC SOURCE MODELS
2.3.1 EARTHQUAKE SOURCE MODEL
2.3.2 EARTHQUAKE SOURCE PARAMETERIZATION
2.3.3 PGA COMPUTATION IN THE FAR-FIELD APPROXIMATION
2.3.4 MECHANISM OF PGA GENERATION FOR HOMOGENEOUS RUPTURES
2.3.5 MECHANISM OF PGA GENERATION FOR HETEROGENEOUS RUPTURES
2.4 SENSITIVITY OF PEAK GROUND MOTIONS TO SOURCE PARAMETERS
2.4.1 COMPUTATION OF NEAR-FAULT PGA AND PGV
2.4.2 COMPUTATION OF THE PGA AND PGV SENSITIVITY
2.4.3 RESULTS: SENSITIVITY OF PGA AND PGV
2.4.4 EFFECT OF THE NUCLEATION POSITION
2.5 PEAK GROUND MOTIONS VARIABILITY
2.6 CONCLUSION
2.7 APPENDIX
3 SPATIAL VARIABILITY OF THE DIRECTIVITY PULSE PERIODS OBSERVED DURING AN EARTHQUAKE 
3.1 ABSTRACT
3.2 INTRODUCTION
3.3 RELATIONSHIP BETWEEN PULSE PERIOD, RUPTURE PARAMETERS, AND STATION POSITION BASED ON ANALYSIS OF SYNTHETIC VELOCITY TIME SERIES
3.3.1 SIMULATION OF VELOCITY TIME SERIES
3.3.2 SIMPLE RELATION BETWEEN PULSE PERIOD, RUPTURE PARAMETERS AND STATION POSITION
3.4 COMPARISON BETWEEN PREDICTED PULSE PERIOD (EQUATION (2-1)) AND REAL OBSERVATIONS (NGA-WEST2 DATABASE)
3.4.2 RESULTS
3.4.3 DISCUSSION
3.5 CONCLUSIONS
3.6 DATA AND RESOURCES
3.7 ACKNOWLEDGMENTS
3.8 APPENDIX
PART 2: LEBANON CASE STUDY 
4 STATE OF ART 
4.1 OVERVIEW OF THE DEAD SEA FAULT IN THE LEVANT REGION
4.2 OVERVIEW OF THE SEISMICITY WITHIN LEBANON
4.3 SEISMIC RISK IN LEBANON
4.4 OVERVIEW OF THE GEOLOGY IN LEBANON
5 TOMOGRAPHY OF LEBANON USING SEISMIC AMBIENT NOISE 
5.1 ABSTRACT
5.2 INTRODUCTION
5.3 GEOLOGICAL BACKGROUND
5.4 AMBIENT NOISE CROSS-CORRELATION AND 3D TOMOGRAPHY OF LEBANON
5.4.1 STATIONS DISTRIBUTION AND PERIOD OF RECORDINGS
5.4.2 AMBIENT NOISE DATA PROCESSING AND CROSS-CORRELATION
5.4.3 RAYLEIGH WAVES GROUP VELOCITY MEASUREMENTS
5.4.4 3D SHEAR WAVES VELOCITY INVERSION AND RELATED UNCERTAINTY
5.5 COMPARISON OF INVERTED VS MODEL TO PREVIOUS RESEARCH OUTCOMES
5.5.1 SPATIAL VARIATION OF VS AT DIFFERENT DEPTHS
5.5.2 FIRST ORDER ESTIMATION OF THE MOHO DEPTH?
5.5.3 VERTICAL CROSS-SECTIONS OF VS
5.6 CONCLUSION
5.7 APPENDIX
6 CASE STUDY: SIMULATION OF NEAR-FAULT GROUND-MOTION FOR RUPTURE SCENARIOS ON THE YAMMOUNEH FAULT (LEBANON) 
6.1 ABSTRACT
6.2 INTRODUCTION
6.3 TECTONIC SETTING AND SEISMIC HAZARD
6.4 FAULT RUPTURE SEGMENT AND TARGET STATIONS
6.5 GROUND-MOTION SIMULATION METHODOLOGY
6.5.1 LOW-FREQUENCY GROUND MOTION (F ≤ 1 HZ)
6.5.2 BROAD-BAND GROUND MOTION (~0.1-10 HZ)
6.6 SIMULATION RESULTS
6.6.1 PEAK GROUND ACCELERATION AT DIFFERENT STATIONS
6.6.2 RESPONSE SPECTRA
6.7 CONCLUSION
CONCLUSIONS AND PERSPECTIVES
BIBLIOGRAPHY