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Earth, Planets and Space
Fig. 9 | Earth, Planets and Space

Fig. 9

From: Locating hydrothermal fluid injection of the 2018 phreatic eruption at Kusatsu-Shirane volcano with volcanic tremor amplitude

Fig. 9

Schematic illustration of the interpretation for examined volcanic tremor in the 2018 eruption and related hydrothermal system structure at Kusatsu-Shirane volcano. Hydrothermal fluid ascends (gray broken arrows) beneath Shirane and Ainomine induces surrounding seismic activity. A red arrow corresponds to inferred hydrothermal fluid injection to the cap-rock layer and that induced volcanic tremor

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