Fig. 2From: Time variations in the chemical and isotopic composition of fumarolic gases at Hakone volcano, Honshu Island, Japan, over the earthquake swarm and eruption in 2015, interpreted by magma sealing modelTime variation of CO2/H2O, H2S/H2O, CO2/H2S, CO2/CH4 and He/CH4 in fumarolic gases. Solid and open circles indicate the values for the fumarole N and S, respectively. Red curve indicates the number of earthquakes per half month observed at Hakone volcanoBack to article page