This repository contains the supplementary files and tables for the manuscript: Geodetic constraints on cratonic microplates and broad strain during rifting of thick Southern African lithosphere L. N. J. Wedmore1, Biggs, J.1, Floyd, M.2, Fagereng, Å.3, Mdala, H.4, Chindandali, P.5, Williams, J.3, Mphepo, F.4 1School of Earth Sciences, University of Bristol, Bristol, UK 2Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA 3School of Earth and Environmental Sciences, Cardiff University, Cardiff, UK 4Geological Survey Department, Mzuzu Regional Office, Mzuzu, Malawi 5Geological Survey Department, Zomba, Malawi This manuscriptis published in Geophysical Research Letters: https://doi.org/10.1029/2021GL093785 Please contact the author (luke.wedmore@bristol.ac.uk) for more information. File Information File S1 – Table of GNSS station velocities for the combined southern Malawi/GeoPRISMS/Saria et al. (2014) solution in the ITRF14 reference frame. File S2 – Table of GNSS station and the references for the data used in this paper. File S3 – Details of the sites used for the two-plate test and the results of this inversion. File S4 – Details of the sites used for the three-plate test and the results of this inversion. File S5 – A sig_neu command file with details of the random noise added to outlier sites within GLOBK.