Deep earth structure and dynamics using seismological tools: elastic and anelastic seismic tomography; waveform modelling of mantle and core phases; wave propagation in complex heterogeneous and anisotropic media; earth’s normal modes and surface waves. Earthquake processes and scaling laws. Real time estimation of earthquake parameters. Development of modern broadband seismic and geophysical observatories on land and in the oceans. Planetary seismology.