Research
■ Magma plumbing systems beneath active volcanoes
■ Mechanism of volcanic eruption
■ Prediction of volcanic activity and hazards
■ Origin of magma and mechanism of eruption at large-scale caldera volcanoes
■ Spatial and temporal variation in volcanic activities and related tectonics
■ Generation and differentiation processes of magma
■ Material circulation in the Earth's interior
■ Differentiation processes of magma ocean