| Preface | p. 1 |
| Introduction | p. 3 |
| Seismic waves | p. 4 |
| Inference of earth structure | p. 9 |
| Earthquakes | p. 12 |
| Plate tectonics | p. 13 |
| Convection in the earth | p. 17 |
| Mechanics of elastic media | p. 21 |
| The description of deformation and strain | p. 21 |
| The continuity equation | p. 24 |
| Self-gravitation | p. 27 |
| The stress tensor | p. 27 |
| Angular momentum and symmetry of the stress tensor | p. 29 |
| Hydrostatic pressure | p. 30 |
| The energy equation | p. 32 |
| Heat conduction | p. 34 |
| Perfect elasticity | p. 36 |
| The elastic moduli | p. 38 |
| The Navier equation | p. 41 |
| Determination of density within the earth | p. 43 |
| Exercises | p. 46 |
| Summary | p. 49 |
| Further reading | p. 50 |
| Elastic waves in simple media | p. 53 |
| The seismometer | p. 53 |
| WWSSN recordings | p. 57 |
| P and S waves | p. 59 |
| Elastodynamic potentials | p. 60 |
| Plane waves | p. 61 |
| Boundary conditions | p. 61 |
| Reflection of plane waves at a free surface | p. 62 |
| Reflection and refraction of SH waves | p. 66 |
| Rayleigh waves | p. 69 |
| Dispersion of Rayleigh waves | p. 73 |
| Love waves | p. 78 |
| Propagation in inhomogeneous media | p. 80 |
| Geometrical optics | p. 81 |
| Energy density | p. 83 |
| Surface wave dispersion | p. 84 |
| Exercises | p. 90 |
| Summary | p. 91 |
| Further reading | p. 92 |
| Earth structure and earthquake location | p. 93 |
| Travel time tables | p. 93 |
| The ray parameter and seismic rays | p. 95 |
| Time-distance curves | p. 102 |
| Seismic arrays | p. 106 |
| Inversion of travel times for earth structure | p. 111 |
| The method of Herglotz and Wiechert | p. 113 |
| [tau] - p inversion | p. 115 |
| Preliminary location of earthquakes | p. 117 |
| Refining the locations | p. 119 |
| Procedures of the International Seismological Centre | p. 122 |
| Depth phases | p. 123 |
| Master event methods | p. 125 |
| Location of earthquakes from teleseismic records | p. 126 |
| Exercises | p. 144 |
| Summary | p. 145 |
| Further reading | p. 146 |
| Free oscillations | p. 149 |
| Spheroidal and torsional modes | p. 151 |
| Torsional modes in a uniform sphere | p. 153 |
| Overtones | p. 155 |
| Fundamental modes | p. 159 |
| The earth's normal modes | p. 161 |
| Splitting - terrestrial spectroscopy | p. 164 |
| Using free oscillations to refine earth models | p. 165 |
| Long period seismograms and normal mode identification | p. 172 |
| Exercises | p. 177 |
| Summary | p. 187 |
| Further reading | p. 188 |
| The seismic source | p. 189 |
| Uniqueness and reciprocal theorems | p. 189 |
| The Green's tensor | p. 192 |
| Representation theorems | p. 194 |
| Mathematical models of the earthquake source | p. 195 |
| Equivalent forces | p. 196 |
| The moment tensor | p. 197 |
| Shear faulting | p. 198 |
| Green's tensors for a uniform medium | p. 201 |
| P wave radiation from a shear fault | p. 203 |
| The fault plane solution | p. 204 |
| Shear wave radiation from a fault | p. 207 |
| Synthetic seismograms | p. 207 |
| Making a fault plane solution | p. 210 |
| Exercises | p. 271 |
| Summary | p. 271 |
| Further reading | p. 272 |
| Plate tectonic theory | p. 273 |
| Plates | p. 276 |
| Poles of relative rotation | p. 278 |
| Ridges | p. 283 |
| Magnetic anomalies | p. 284 |
| Cooling of oceanic plates | p. 287 |
| Transform faults | p. 293 |
| Trenches | p. 295 |
| Triple junctions | p. 300 |
| The tectonic evolution of the north-east Pacific | p. 305 |
| The Deep Sea Drilling Program | p. 311 |
| Triple junctions | p. 313 |
| Exercises | p. 313 |
| Summary | p. 316 |
| Further reading | p. 317 |
| Spherical geometry and projections | p. 319 |
| Selected bibliography | p. 323 |
| Beferences | p. 325 |
| Index | p. 329 |
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