Towards inferring elastic structural variations from Earth’s response to surface mass loading

Hilary R Martens, Department of Geosciences, University of Montana, Missoula, United States, Mark Simons, California Institute of Technology, Seismological Laboratory, Pasadena, United States, Luis A Rivera, University of Strasbourg, Strasbourg Cedex, France and Susan E Owen, NASA Jet Propulsion Laboratory, Pasadena, United States