Source of soil gas at Kusatsu-Shirane Volcano inferred from gaseous elemental mercury and noble gas isotope ratios

Kazuki Sasa

Presentation information

[J] Oral

S (Solid Earth Sciences ) » S-VC Volcanology

[S-VC42] Hydrothermal systems of volcanoes

Fri. May 29, 2026 1:45 PM - 3:15 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

Chairperson:Kanda Wataru(Multidisciplinary Resilience Research Center, Institute of Integrated Research, Institute of Science Tokyo), Sawayama Kazuki(Institute for Geothermal Sciences, Graduate School of Science, Kyoto University)

2:30 PM - 2:45 PM

[SVC42-04] Source of soil gas at Kusatsu-Shirane Volcano inferred from gaseous elemental mercury and noble gas isotope ratios

*Kazuki Sasa¹, Akihiko Terada¹, Hirochika Sumino², Nanae Fukushima² (1. Volcano and Earthquake Research Division, Institute of Integrated Research, Multidisciplinary Resilience Research Center, Institute of Science Tokyo, 2. Research Center for Advanced Science and Technology, University of Tokyo)

Keywords:gaseous elementary mercury, Helium, soil gas, lateral eruption, Kusatsu-Shirane volcano, phreatic eruption