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

Fig. 2

From: Hydrothermal system of the active crater of Aso volcano (Japan) inferred from a three-dimensional resistivity structure model

Fig. 2

Distribution of the tetrahedral mesh used for 3-D inversion in the survey area. a Surface mesh over an area of 5 km × 5 km centered on the Nakadake first crater. The red dots indicate AMT sites. A resistivity value of 100 Ωm was given for each mesh cell as a starting model. The mesh for the air layer has been omitted to enhance the clarity of the graphic. b East–west cross section passing through the origin (the center of the Nakadake first crater). The mesh cell size is smaller closer to the ground and closer to the central area

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