Anant Hariharan¹, Colleen A Dalton¹, Zhitu Ma², Goran Ekstrom³ and Donald W Forsyth⁴, (1)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, RI, United States, (2)Tongji University, Shanghai, China, (3)Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States, (4)Brown Univ, Providence, RI, United States