Stacy Larochelle, California Institute of Technology, Pasadena, CA, United States, Kristel Chanard, IGN Institut National de l'Information Géographique et Forestière, Paris, France, Adriano Gualandi, NASA Jet Propulsion Laboratory, Pasadena, CA, United States and Jean-Philippe Avouac, California Institute of Technology, Geological and Planetary Sciences, Pasadena, CA, United States