Preface; Prologue; 1. Seismology: ancient and modern; 2. Statistical solutions to seismological problems; 3. Seismograms as time series; 4. Seismographs and seismograms; 5. Seismometer arrays and processing methods; 6. Seismogram interpretation and synthesis; 7. Hypocentres and P travel times; 8. Seismic magnitudes; 9. Seismic source identification; 10. Epilogue; Appendix A. P and S radiation from a double-couple source; Appendix B. Normal equations for analysis of variance; Appendix C. Some uses of the FFT; Appendix D. Anelastic attenuation; Appendix E. Transient and steady-state; Appendix F. Seismometer-galvanometer systems; Appendix G. Signal-to-noise improvement; Appendix H. Minimum-power filters; Appendix I. Circular arrays; Appendix J. Geometrical spreading for sP; Appendix K. Fourier integral; Appendix L. Tables of explosions and earthquakes; Appendix M. Album of body-wave seismograms; Appendix N. Exercises; References; Further reading; Index.