Florian Petersen¹, Dietrich Lange¹, Ingo Grevemeyer¹, Heidrun Kopp^1,2, Anne M Trehu³, Eduardo Contreras-Reyes⁴ and Sergio E Barrientos^5,6, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)University of Kiel, Kiel, Germany, (3)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (4)University of Chile FCFM, Department of Geophysics, Santiago, Chile, (5)Univ de Chile, Santiago, Chile, (6)University of Chile, National Seismological Center, Santiago, Chile