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Earth, Planets and Space
Fig. 12. | Earth, Planets and Space

Fig. 12.

From: Continuous long-term array analysis of seismic records observed during the 2011 Shinmoedake eruption activity of Kirishima volcano, southwest Japan

Fig. 12.

Possible configuration of the volcano-hydrothermal system beneath the study area, which is along the approximate orientation of the cross-section AB (Fig. 1). Light grey areas show the aquifer layer, which corresponds to the low-resistivity layer suggested by magnetotelluric observations (Kagiyama, 1994; Utada et al., 1994; Kagiyama et al., 1996). Dark gray areas show the magma reservoir and pathway to Shinmoedake, which correspond to the pressure sources (Japan Meteorological Agency, 2012b) and the low-resistivity layers. Open circles and stars show locations of tremor and explosion earthquakes, respectively. More details are given in the texts.

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