State-of-stress and stress rotations: quantifying the role of surface topography and subsurface density contrasts in magmatic rift zones (Eastern Rift, Africa)

Sarah Jaye C Oliva1, Cynthia J Ebinger1, Eleonora Rivalta2, Christelle Wauthier, Charles A Williams Jr4 and Claire A Currie5, (1)Tulane University of Louisiana, New Orleans, LA, United States, (2)Deutsches GeoForschungsZentrum GFZ, 2.1 Physics of earthquakes and volcanoes, Potsdam, Germany, (3)GNS Science, Lower Hutt, New Zealand, (4)University of Alberta, Department of Physics, Edmonton, AB, Canada