MICROEARTHQUAKE SEISMOLOGY AND SEISMOTECTONICS
CONTENTS 1 INTRODUCTION 1 1 CLASSIFICATION OF EARTHQUAKES AND FREQUENCY-MAGNITUDE RELATION 1 2 HISTORICAL DEVELOPMENT OF EARTHQUAKE SEISMOLOGY AND GLOBAL NETWORK 1 3 HISTORICAL DEVELOPMENT OF MICROEARTHQUAKE NETWORK 1 4 APPLICATIONS OF MICROEARTHQUAKE NETWORK 2 EARTHQUAKES AND SEISMIC WAVES EARTHQUAKES 2 1 TYPES OR CAUSES OF EARTHQUAKES 2 2 TELESEISMIC, REGIONAL AND LOCAL EARTHQUAKES 2 3 FORESHOCKS, AFTERSHOCKS AND EARTHQUAKE SWARMS 2 4 EARTHQUAKE MAGNITUDE, INTENSITY AND ENERGY 2 5 SOME USEFUL DEFINITIONS IN EARTHQUAKE SEISMOLOGY 2 6 EARTHQUAKE EFFECTS AND HAZARDS 2 7 GREAT EARTHQUAKES OF INDIA 2 8 LARGE AND DAMAGING EARTHQUAKES OF INDIA 2 9 PERMANENT SEISMOLOGICAL OBSERVATORIES IN INDIA 2 10 INDIAN EARTHQUAKE CATALOGUES 2 11 SEISMIC ZONING MAP OF INDIA SEISMIC WAVES 2 12 TYPES OF SEISMIC WAVES 2 13 SEISMIC WAVES AND GROUND SHAKING 2 14 SEISMIC PHASES AT THE ROCK BOUNDARIES 2 15 SEISMIC PHASES AT SHORT DISTANCES 2 16 TRAVEL TIMES IN A LAYERED EARTH 2 17 TELESEISMIC WAVES AND INTERIOR OF THE EARTH 2 18 WAVE ATTENUATION 2 19 SEISMIC DIFFRACTION 3 MICROEARTHQUAKE RECORDING AND DATA ANALYSIS 3 1 SEISMOMETERS: THEORY AND PRACTICE 3 2 SEISMOGRAPHS: RECORDING SYSTEMS 3 3 DEVELOPMENT OF MODERN SEISMIC SYSTEM 3 4 STATION DISTRIBUTION AND SITE SELECTION 3 5 ANALOG RECORD PROCESSING AND RECORD KEEPING 3 6 DIGITAL DATA MANAGEMENT 3 7 BASIC DATA FOR ANALYSIS 3 8 EARTHQUAKE LOCATION 3 9 COMPUTER PROGRAMS FOR EARTHQUAKE LOCATION 3 10 LIMITATIONS OF ACCURACY IN LOCATION 3 11 EARTHQUAKE RELOCATION 3 12 SEISMIC TOMOGRAPHY AND EARTHQUAKE LOCATION 3 13 RECEIVER FUNCTION 3 14 SEISMIC WAVEFORM INVERSION AND MODELLING 3 15 MICROEARTHQUAKE MAGNITUDE 3 16 EARTHQUAKE PHENOMENA: POWER LAW RELATIONS 4 DYNAMICS OF FAULTING AND FAULT PLANE SOLUTION 4 1 CLASSIFICATION OF FAULTS 4 2 FORCE AND STRESS 4 3 CRITERIA OF FRACTURE 4 4 GRIFFITH’S THEORY OF CRACK PROPAGATION 4 5 DYNAMICS OF FAULTING 4 6 ELASTIC REBOUND THEORY 4 7 EQUAL AREA PROJECTION AND FAULT PLANE SOLUTION 4 8 MOMENT TENSOR SOLUTION 4 9 EARTHQUAKE MECHANISMS AND PLATE TECTONICS 5 HIMALAYAS, PAMIR-HINDU KUSH AND FOREDEEP REGION 5 1 INTRODUCTION 5 2 GEOLOGICAL PROCESS 5 3 GEOPHYSICAL DATA IN HIMALAYAS 5 4 CONCEPTUAL TECTONIC MODELS 5 5 HIMALAYAN FOREDEEP 5 6 LARGE EARTHQUAKES IN THE HIMALAYA 5 7 WESTERN SYNTAXIS AND PAMIR-HINDU KUSH SEISMICITY 5 8 NORTHWEST AND WESTERN HIMALAYAN SEISMICITY 5 9 CENTRAL AND EASTERN HIMALAYAN SEISMICITY 5 10 SEISMOTECTONIC PERSPECTIVE 5 11 SEISMIC HAZARD POTENTIAL 6 NORTHEAST INDIA, MYANMAR, BANGLADESH AND ANDAMAN-SUMATRA REGION 6 1 INTRODUCTION 6 2 GEOLOGICAL STRUCTURE 6 3 GRAVITY ANOMALY 6 4 CRUSTAL STRUCTURE 6 5 SEISMOLOGICAL DATA 6 6 MICROEARTHQUAKE DATA 6 7 SEISMOTECTONIC PERSPECTIVE 6 8 STRONG MOTION DATA 6 9 SEISMIC HAZARD POTENTIAL 6 10 TECTONICS AND SEISMICITY OF ANDAMAN-SUMATRA ARC 7 SEISMOTECTONICS OF PENINSULAR INDIA AND SRI LANKA 7 1 INTRODUCTION 7 2 GEOLOGICAL EVOLUTION 7 3 GEOPHYSICAL FEATURES 7 4 PAST SEISMIC ACTIVITY 7 5 RECENT SEISMICITY: MICROEARTHQUAKE NETWORKS 7 6 AFTERSHOCK INVESTIGATIONS: RECENT DAMAGING EARTHQUAKES 7 7 SRI LANKA: TECTONIC CONFIGURATION 7 8 CONCLUSION AND RECOMMENDATION REFERENCES