Thermometry of the magma-hydrothermal system at Hakone volcano, Japan based on the chemical and stable isotope compositions of volcanic gas

Seiya Toyoshima

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-VC Volcanology

[S-VC35] S-VC35 [E] Bridging Eruption, Geothermal, and Ore toward Transcrustal Magma-Hydrothermal Understanding (Kazutaka Mannen)

Wed. May 27, 2026 3:30 PM - 5:00 PM Exhibition Hall Special Setting (8) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Tsuchiya Noriyoshi(National Institute of Technology, Hachinohe College), Enatsu Michiharu(Department of Urban Management, Graduate School of Engineering, Kyoto University)

4:45 PM - 5:00 PM

[SVC35-17] Thermometry of the magma-hydrothermal system at Hakone volcano, Japan based on the chemical and stable isotope compositions of volcanic gas

Seiya Toyoshima¹, *Takeshi Ohba¹, Muga Yaguchi², Nozomi Numanami¹, Ito Masanori³, Fumiko Nakagawa³, Urumu Tsunogai³ (1. Department of chemistry, School of Science, Tokia University, 2. Meteorological Res. Inst., 3. Nagoya University Graduate School of Environmental Studies)

Keywords:Volcanic gas, Chemical composition, Stable isotope, Apparent equilibrium temperature