Emilie Klein^1,2, Cyrille Mosbeux³, Peter D Bromirski⁴, Laurence Padman⁵, Yehuda Bock¹, Helen Amanda Fricker³ and Scott R Springer⁶, (1)Scripps Institution of Oceanography, Institute of Geophysics and Planetary Physics, La Jolla, CA, United States, (2)Laboratoire de Géologie, ENS, CNRS, UMR 8538, PSL Research University, Paris, France, (3)Scripps Institution of Oceanography, La Jolla, CA, United States, (4)Univ California San Diego, La Jolla, CA, United States, (5)Earth & Space Research, Corvallis, OR, United States, (6)Earth & Space Research, Seattle, WA, United States