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Figure 1 | Earth, Planets and Space

Figure 1

From: Imaging the hydrothermal system beneath the Jigokudani valley, Tateyama volcano, Japan: implications for structures controlling repeated phreatic eruptions from an audio-frequency magnetotelluric survey

Figure 1

A simplified geological map of the area around the Jigokudani valley, adapted from Harayama et al. ( 2000 ). The hatched area represents the Jigokudani valley, and the dotted lines indicate the traces of hydrothermal eruption craters, some of which are connected one another by repeated eruptions and have ill-defined borders. The magmatic eruptions that formed lavas and pyroclastic flow deposits in this area occurred in the southeast of this map. Inset: Map showing central Japan, with red triangles indicating the location of active volcanoes, a gray shaded ellipse representing the location of the Hida Mountains, and a dark blue triangle showing the location of the Tateyama volcano in the northern part of the Hida Mountains.

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