Journal Paper

• Yaguchi Muga, Terada Akihiko, Ohba Takeshi. Can volcanic activation be identified from the geochemistry of surface discolored water in the active crater lake Yugama at Kusatsu-Shirane volcano, Japan? -Example from July 2025, J. Hot Spring Sciences, Mar. 2026.

International Conference (Not reviewed / Unknown)

• Akihiko Terada, Toshiya Mori, Masayoshi Tamura. Remote volcano surveillance using a droneport: Monitoring Yugama of crater lake at Kusatsu-Shirane volcano, JpGU2026, May 2026.
• Akihiko Terada, Ren Sato, Leona Suzuki, Takeshi Ohba, Muga Yaguchi. Secondary mineral precipitation and dissolution in hydrothermal waters at Kusatsu-Shirane volcano: Implications for sealing and opening underlying fluid pathways, JpGU2026, May 2026.
• Subaru Nashimoto, Akihiko Terada. Factors controlling the pressure-temperature structure of volcanic hydrothermal systems: Insights from numerical modeling, JpGU2026, May 2026.
• Keiichi Ishizu, Norihiro Kitaoka, Yasuo Ogawa, Akihiko Terada. Development of a Tensor Semi-Airborne Electromagnetic System Using Drones and EM-ACROSS Technology, JpGU2026, May 2026.

Domestic Conference (Not reviewed / Unknown)

• Azusa Mori, Akihiko Terada. Temporal frequency variation of volcanic long-period events at Kusatsu-Shirane Volcano and its Relation to the hydrothermal system, JpGU2026, May 2026.
• 金 幸隆, 大湊隆雄, Akihiko Terada, 高橋 誠. 浅間山における登山者の火山災害に対する意識と情報ニーズに関する実証研究, JpGU2026, May 2026.
• Kazuki Sasa, Akihiko Terada, 角野浩史, 福島菜奈絵. 気体単体水銀および希ガス同位体比から示唆される草津白根山の土壌ガスの起源, 日本地球惑星科学連合2026年大会, May 2026.
• 谷口無我, Takeshi OHBA, Akihiko Terada. 湖水分析で疑う2025年に草津白根山の湯釜火口周辺で起きたこと, 日本地球惑星科学連合2026年大会, May 2026.

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