Prerequisite: Basic knowledge of elastic processes in continuous media or consent of instructor. Introductory and advanced concepts of seismic wave propagation. Vectors and tensors, Hooke's law, elastic coefficient tensors, Christoffel equation, group and phase velocities, and Green's theorem. The following concepts will also be covered: reflection and transmission coefficient formulas for a layered medium, attenuation, Snell's law, Hooke's law, Fermat's principles, Fresnel zone, finite-difference solutions to the wave equation and eikonal equation, transport equation, and traveltime tomography.