Global bathymetry & topography are two of the most extensively used types of scientific data for a wide variety of scientific, practical, & artistic applications. Global relief forms a framework for visualization of other types of data & information, and provides boundary conditions for environmental modelling.
Though unseen the ocean floor is a volcanic hot bed where the tectonic plates collide and spread apart. New research reveals that when two parts of the Earth's crust break apart, this does not always cause massive volcanic eruptions.