Magnetotelluric images of magma distribution beneath Volcan Uturuncu, Bolivia: Implications for magma dynamics Comeau, M. J. ; Unsworth, M. J. ; Ticona, F. ; Sunagua, M. Abstract Publication: Geology Pub Date: March 2015 DOI: 10.1130/G36258.1 Bibcode: 2015Geo....43..243C