Fig. 2From: Seasonal and transient surface displacements in the Kumamoto area, Japan, associated with the 2016 Kumamoto earthquake: implications for seismic-induced groundwater level changea Surface geology of the Kumamoto area (based on AIST-GSJ, 2003). b, c the depth of the upper and the lower aquifer in May 1985 (based on AIST-GSJ 2014)Back to article page