Fig. 4From: Deep groundwater discharge after the 2011 Mw 6.6 Iwaki earthquake, JapanRelationship between Cl− concentration and δ18O in hot spring water. Light blue and purple areas indicate hot spring plot ranges from No. 6 to 12 in Table 1 and the Joban plot range by Togo et al. (2014), respectively. Thick dotted line shows possible mixing line of hot spring water in Iwaki areaBack to article page