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Geophysicists use seismic signals to image structures in theEarth's interior, to understand the mechanics of earthquake and volcanicsources, and to estimate their associated hazards. Keiiti Aki developed pioneering quantitative methods for extracting useful information fromvarious portions of observed seismograms and applied these methods to manyproblems in the above fields.This volume honors Aki's contributions with review papers and results fromrecent applications by his former students and scientific associatespertaining to topics spawned by his work. Discussed subjects includeanalytical and numerical techniques for calculating dynamic rupture and radiated seismic waves, stochastic models used in engineering seismology,earthquake and volcanic source processes, seismic tomography, properties oflithospheric structures, analysis of scattered waves, and more. The volumewill be useful to students and professional geophysicists alike.
List of contents
A Review of the Discrete Wavenumber Method.- An Efficient Numerical Method for Computing Synthetic Seismograms for a Layered Half-space with Sources and Receivers at Close or Same Depths.- Calculation of Synthetic Seismograms with Gaussian Beams.- Wave Propagation, Scattering and Imaging Using Dual-domain One-way and One-return Propagators.- 541 Coda.- Radiation from a Finite Reverse Fault in a Half Space.- Spontaneous Complex Earthquake Rupture Propagation.- The Barrier Model and Strong Ground Motion.- Simulation of Ground Motion Using the Stochastic Method.- Characterization of Fault Zones.- Seismic Tomography of the Lithosphere with Body Waves.- 739 Volcano Seismology.- Seismic Detection and Characterization of the Altiplano-Puna Magma Body, Central Andes.
