Josaphat Laboratory (JMRSL) observes land deformation around Kelok Sembilan, West Sumatra provinces using DGPS (26 March 2017) and spaceborne synthetic aperture radar (SAR), especially permanent scatterer SAR (PS-InSAR). This observation collaborates with Universitas Negeri Padang (UNP).
Ground control point (GCP) of JMRSL at Kelok Sembilan area
