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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Permeability-control on volcanic hydrothermal system: case study for Mt. Tokachidake, Japan, based on numerical simulation and field observation

Fig. 2

Comparison of calculated (white bars) and observed (black bars) total magnetic field changes, after Hashimoto et al. (2010). The star symbol represents the estimated source of demagnetization. The direction of magnetization is assumed to be parallel to the present geomagnetic field at Mt. Tokachidake (inclination 57.4°, declination −9.8°). Contour lines are modeled at 1750 m above sea level, and TKNM and TKSM are the continuous observation points installed in 2014

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