[1
]Seismology and Wave Physics Institute of Geophysics, Department of Earth Sciences
ETH Zürich Zürich Switzerland
[2
]Institute of Geophysics and Tectonics School of Earth and Environment University of
Leeds Leeds UK
[3
]Institute of Planetary Research German Aerospace Center (DLR) Berlin Germany
[4
]Department of Informatics Technical University of Munich Munich Germany
[5
]Geophysics Department of Earth and Environmental Sciences LMU Munich Munich Germany
[6
]Institute of Geophysics and Planetary Physics Scripps Institution of Oceanography
University of California, San Diego La Jolla CA USA
[7
]Department of Earth Sciences Utrecht University Utrecht The Netherlands