Crustal Structure Around the Tristan da Cunha Hotspot Derived from Ambient Noise

Trond Ryberg1, Shantanu Pandey2, Wolfram H. Geissler3, Wilfried Jokat3 and Marion D Jegen4, (1)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (2)IIG Magnetic Observatory, Shillong, India, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Geophysics, Bremerhaven, Germany, (4)GEOMAR Helmholtz Centre for Ocean Research Kiel, Dynamik des Ozeanbodens, Kiel, Germany