Possible events around Yugama crater lake of Kusatsu-Shirane volcano during the 2025 unrest, inferred from lake-water chemistry

Presentation information

[J] Poster

S (Solid Earth Sciences ) » S-VC Volcanology

Fri. May 29, 2026 5:15 PM - 7:00 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

5:15 PM - 7:00 PM

*Muga Yaguchi¹, Takeshi Ohba², Akihiko Terada³ (1. Meteorological Research Institute, JMA, 2. Tokai University, 3. Institute of Science Tokyo)

Keywords:Kusatsu-Shirane volcano, Yugama crater lake, chemical analysis, magma migration