Figure 2

Pictures of highly saline fluid discharges in the northwestern plain area. (a) A wide view and (b) close-up picture of highly saline spring water that appeared after the 2016 Kumamoto earthquake (corresponding to ‘a’, high saline fluid after the quake in Table 1 and Fig. 1a). (c) Picture of highly saline spring water pre-existed before the 2016 Kumamoto earthquake (corresponding to ‘b’, high saline fluid before the quake “Kayahara” in Table 1 and Fig. 1a).