Supplemental Material: Ongoing fragmentation of the subducting Cocos slab, Central America

Figures S1–S5 (bouguer gravity anomalies and focal mechanism solutions; cross section of tomographic images and anisotropy beneath Central America; isotropic S-wave speed anomalies and azimuthal anisotropy; azimuthal equidistant map showing event distributions; and shear wave splitting measurement examples); Table S1 (shear wave splitting measurements); and Table S2 (model parameters).