Inverting for the Sources of the Earth's Hum

Laura Ermert1, Korbinian Sager2, Michael Afanasiev1, Alexey Gokhberg2 and Andreas Fichtner1, (1)ETH Zurich, Department of Earth Sciences, Institute of Geophysics, Zurich, Switzerland, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland