Nicole Bretting¹, Chris Lowery², John Goff³, Sean P S Gulick⁴, Marcy B Davis⁵, Dan Duncan⁵ and Steffen Saustrup⁶, (1)University of Texas at Austin, Austin, TX, United States, (2)University of Texas at Austin, Geophysical Institute, Austin, TX, United States, (3)The University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (4)The University of Texas at Austin, Institute for Geophysics & Department of Geological Sciences, Austin, TX, United States, (5)University of Texas, Institute for Geophysics, Austin, TX, United States, (6)Univ of Texas Inst for Geophys, Austin, TX, United States