Catherine A. Macris, Indiana University Purdue University Indianapolis, Indianapolis, IN, United States, Peng Ni, Carnegie Institution for Science, Geophysical Laboratory, Washington, DC, United States, Emilee A. Darling, Indiana University Purdue University Indianapolis, Indianapolis, United States, Anat Shahar, Carnegie Institution of Washington, Geophysical Laboratory, Washington, DC, United States and Edward D Young, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States