<strong>Gas geochemistry of hot springs associated with an earthquake </strong><strong>swarm in northeastern Yamaguchi, Japan</strong>

Donghwan Kim

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-GC Geochemistry

[S-GC45] Volatiles in the Earth - from Surface to Deep Mantle

Mon. May 25, 2026 10:45 AM - 12:15 PM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

Chairperson:Hanyu Takeshi(Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamics), Caracausi Antonio(National Institute of Geophysics and Volcanology)

12:00 PM - 12:15 PM

[SGC45-12] Gas geochemistry of hot springs associated with an earthquake swarm in northeastern Yamaguchi, Japan

*Donghwan Kim¹, Takanori Kagoshima², Naoto Takahata¹, Takaaki Shirai³, Yuji Sano⁴, Naoshi Hirata⁵ (1. Atmosphere and Ocean Research Institute, The University of Tokyo, 2. University of Toyama, 3. Hagi Geopark Promotion Council, Hagi City Office, 4. Center for Advanced Marine Core Research, Kochi University, 5. Earthquake Research Institute, The University of Tokyo)

Keywords:Earthquake swarm, Gas geochemistry, Hot Spring, Helium isotopes, Nitrogen isotopes, Fluid migration