Stamps, D.S., et al., 2020, Redefining East African Rift System kinematics: Geology, v. 49, https://doi.org/10.1130/G47985.1 This readme file describes the contents of the supplementary file final_velocities.csv.txt (G47985_SuppData2.csv). This file is a comma separated value file that includes the following columns: Longitude Latitude Ve Vn Se Sn Corr Site Plate doi where: Longitude = decimal degrees Latitude = decimal degrees Ve = velocity in mm/yr in the east component Vn = velocity in mm/yr in the north component Se = 1 sigma standard error in the east component Sn = 1 sigma standard error in the north component Corr = correlation Site = GPS station 4 character ID Plate = plate or deforming zone for the station doi = data and/or paper reference for the station