Note: Front Cover -- Earthquakes: Observation, Theory and Interpretation -- Copyright Page -- Table of Contents -- Preface -- Chapter 1. Earthquake Source Theory: a Review -- I. Introduction -- II. Seismic-source representation theory -- III. Dynamic fault models -- IV. Seismic-radiation theory -- REFERENCES -- Chapter 2. Studies of the Seismic Source Using Normal-Mode Theory -- 1. Introduction -- 2. Outline of normal-mode theory -- 3. Some simple kinematic models of the seismic source -- 4. Seismic data -- 5. Determination of parameters of seismic source -- REFERENCES -- Chapter 3. Engineering Seismology -- 1. Introduction -- 2. Measurement of strong ground motion -- 3. Characteristics of strong ground motion -- 4. The engineering design problem -- REFERENCES -- Chapter 4. Theory and Application of Synthetic Seismograms -- 1. Introduction -- 2. Source descriptions and generalized ray theory -- 3. Modeling at teleseismic distances -- 4. Modeling regional body waves -- 5. Discussion -- Appendix: General ray theory -- REFERENCES -- Chapter 5. Strong-Motion Seismology -- 1. Introduction -- 2. Outline of the development of kinematic models -- 3. Stochastic models for high-frequency generation -- 4. Review of source parameters relevant to strong-motion seismology -- 5. ƒmax and the scaling law of earthquake source spectra at high frequencies -- 6. Future problems -- REFERENCES -- Chapter 6. Fault Asperities Inferred from Seismic Body Waves -- 1. Introduction -- 2. Asperity model -- 3. P-wave seismograms of large earthquakes -- 4. Examples -- 5. Conclusions -- REFERENCES -- Chapter 7. Measures of Strong Ground Motion Derived from a Stochastic Source Model -- 1. Introduction -- 2. Derivation of basic equations -- 3. Parameter estimation -- 4. Applications and discussion -- 5. Summary and conclusions -- Appendix -- REFERENCES. , Chapter 8. Inversion of Surface Waves -- 1. Introduction -- 2. Brief review of earlier studies -- 3. Moment tensor formalism and the inversion of surface wave data -- 4. New developments in moment tensor inversion of surface waves -- 5. Nonlinear inversions of amplitude data -- 6. Concluding remarks -- REFERENCES -- Chapter 9. Crust-Mantle Structure Inferred from Surface Waves -- 1. Introduction -- 2. Crustal surface waves -- 3. Mantle surface waves -- Chapter 10. Mechanical Models of Slow Source Processes -- 1. Introduction -- 2. Observations of slow source processes -- 3. Rupture characteristics and emitted radiation -- 4. Slow earthquakes in terms of slip-rate-dependent friction and fault heterogeneities -- 5. Slow earthquakes in terms of fault anelasticity -- 6. Conclusions -- REFERENCES -- Chapter 11. Regional Deviation of Earthquake Source Mechanisms from the « Double-Couple » Model -- 1. Introduction -- 2. The data -- 3. Results -- 4.Conclusions -- REFERENCES -- Chapter 12. Design Principles of Electronic Inertial Seismometers -- 1. Mechanical receivers -- 2. Transducers -- 3. Instrumental noise -- 4. Response and dynamic range -- 5. The force-balance principle -- 6. Practical force-balance seismometers -- 7.Conclusion -- REFERENCES -- Chapter 13. The Joint Inversion of Seismic Wave Forms for Lateral Variations in Earth Structure and Earthquake Source Parameters -- 1. Introduction -- 2. The calculation of approximate seismograms in a slightly aspherical model -- 3. A procedure for wave form inversion for aspherical structure -- 4. Numerical experiments in wave form inversion -- REFERENCES -- Chapter 14. Predicting Great Earthquakes -- 1. Introduction -- 2. Seismic gaps and regions of high seismic potential -- 3. Development of better historical records of great earthquakes -- 4. Repeat times of large earthquakes. , 5. Time-predictable model of occurrence times of great earthquakes -- 6. Major asperities associated with plate boundaries -- 7. Long-range precursory activity along subduction zones -- 8. Long-term changes in rates of moderate-size earthquakes in California -- 9. Great asperities and great earthquakes, South California -- 10. Seismicity and stress in San Gorgonio-Cajon knot -- 11. Movements of left-lateral subsidiary faults within great asperities as precursors to great earthquakes on San Andreas fault -- 12. Seismic precursors of large California earthquakes -- REFERENCES -- Chapter 15. Volcanic Earthquakes: Examples from Mount St. Helens -- 1. Introduction -- 2. Data -- 3. Discussion -- 4. Conclusions -- REFERENCES -- Chapter 16. The Use of Earthquake Source Studies in Continental Tectonic Geology -- 1. Introduction -- 2. Regional studies -- 3. The problem of focal depth -- 4. The relation between surface deformation and seismic faulting at depth -- 5. Conclusions -- REFERENCES -- Chapter 17. Earthquakes in Italy in the Last Century -- 1. Introduction -- 2. General features of seismic activity of Italy -- 3. The largest earthquakes of this century -- 4. Long-term earthquake prediction in Italy: state of the art -- REFERENCES -- Chapter 18. The 1908 Messina Earthquake and Related Seismicity -- 1. Italian seismicity -- 2. The 1908 Messina earthquake -- REEFERENCES -- Chapter 19. Tectonics and Seismicity in the Italian Region -- 1. Introduction -- 2. Tectonic instability -- 3. Conclusions -- REFERENCES -- Chapter 20. Use of Space Techniques for Geodesy -- PART I: Introduction -- PART II: Principles of VLBI -- 1. Instrumentation -- 2. Observables -- 3. Information content -- 4. Signals -- 5. Noise -- 6. Data analysis -- PART III: Geodetic Results -- 1. Observations of extragalactic radio sources -- 2. Observations of satellites. , 3. Comparison of techniques -- PART IV: Prospects and Problems -- 1. VLBI -- 2. Laser ranging -- 3. Comparisons -- REFERENCES -- Chapter 21. The State of Stress in the Lithosphere Caused by Topography and Its Isostatic Compensation -- Introduction -- 1. Stress generated by topography and its compensation -- 2. Checks with the seismicity of the Apennines -- 3. Checks with the pattern recognition -- REFERENCES -- Chapter 22. Seismic-Risk Analysis -- 1. Statistic distribution of earthquakes -- 2. Potential earthquake damage -- REFERENCES -- Chapter 23. Global Seismicity -- 1. Large earthquakes in the world -- 2. Temporal variation -- 3. Destructive earthquakes -- 4. Seismicity and plate motion -- REFERENCES -- PROCEEDINGS OF THE INTERNATIONAL SCHOOL OF PHYSICS.