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This volume presents a comprehensive overview of Mt. Kusatsu-Shirane, one of the most active volcanoes in Japan in terms of persistent release of volatile as volcanic gas and hot springs. The unexpected eruption of Kusatsu-Shirane volcano on January 23, 2018, caused human damages. It shed light on the difficulty of the prediction of phreatic eruptions, whereas motivated studies on schemes for volcano monitoring, research and disaster mitigation of the dormant volcanoes. This book includes the past and on-going research on the Kusatsu-Shirane volcano with varieties of disciplines such as seismology, geodesy, geomagnetism, geochemistry, petrology, and social science research on reporting of the eruption in 2018.
Sommario
Geology and Eruptive History of Kusatsu-Shirane Volcano.- Eruption Products and Damage Caused by the 2018 Phreatic Eruption of Mount Motoshirane.- Volcanic Activity Cycles of the Kusatsu-Shirane Volcano, Japan Revealed by the Geochemical Monitoring of Lake Water in the Yugama Crater and Adjacent Fumarolic Gases.- Yugama Crater Lake: A Sensitive Window into the Magmatic Hydrothermal System of Kusatsu-Shirane Volcano.- Evaluation of Phreatic Eruptions Through the Chemistry of Dissolved Species in Some Crater Lakes; Yugama, Ruapehu, Poás, Kawah Ijen, and El Chichon. A Review.- Title: Geochemistry of Hot Springs Around Kusatsu-Shirane Volcano: Long-Term Water Chemistry Fluctuations and Compositional Characteristics of Arsenic and REEs.- Spatial and Temporal Variations in Noble Gas Isotopic Compositions of Fumaroles and Hot/Cold Spring Gases at Kusatsu-Shirane Volcano.- Geophysical Observations of Kusatsu Shirane Volcano: Conceptual Model of the Hydrothermal System as a Site of Phreatic Eruptions.- Magnetotelluric Imaging of the Magmatic Hydrothermal System of Kusatsu Shirane Volcano.- Geomagnetic Observations at Kusatsu-Shirane Volcano.- An Empirical Examination of the Relationship Between News Reports and Online Public Opinions on the Mount Kusatsu-Shirane Volcanic Eruption.- Cultural Aspects, History of Kusatsu Onsen.
