Fig. 6From: Behavior of magmatic components in fumarolic gases related to the 2018 phreatic eruption at Ebinokogen Ioyama volcano, Kirishima Volcanic Group, Kyushu, Japana Changes in the apparent equilibrium temperature (AETS) defined for the reaction involving SO2, H2, H2S and H2O. b Changes in the apparent equilibrium temperature (AETD) defined for the deuterium exchange reaction between H2O and H2. Red histogram and vertical lines have the same meaning as in Fig. 3Back to article page