1. Apparatus for providing a three-dimensional seismic image comprising: an omni-azimuthal source of seismic energy positioned proximate a surface of a geological structure for emitting a signal of sufficient energy and bandwidth to produce seismic energy from a seismic scatterer in the geological structure; at least two substantially vertical arrays of sensors, each array including multiple directional sensing receivers substantially vertically aligned in the geological structure for receiving the seismic energy produced from the seismic scatterer and adapted to provide a measurement of the received seismic energy; and a recorder for recording the measurement of the seismic energy received by said at least two substantially vertical arrays of sensors in response to at least one activation of said omni-azimuthal source, the measurement of seismic energy producing a complete vector field from which to generate the three-dimensional image.