Data A tectonic regionalization of the world […Read More…] Clustering of Lower Mantle Structure – Perm Anomaly […Read More…] Depth and strength of the lithosphere-asthenosphere transition across the Southwestern United States […Read More…] Lateral variations in the velocity of shear waves […Read More…] Lithospheric thickness across Southern California […Read More…] Morphology of Lower Mantle Structures […Read More…] North America Vp Tomographic Model […Read More…] The velocity structure beneath continents […Read More…]