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Fig. 2 | Earth, Planets and Space

Fig. 2

From: Anatomy of active volcanic edifice at the Kusatsu–Shirane volcano, Japan, by magnetotellurics: hydrothermal implications for volcanic unrests

Fig. 2

The phase tensor ellipses map with a the observed and b the calculated data from the final model. The phase tensor ellipses are filled by tan−1 \({\Phi }_{2}\), where \({\Phi }_{2}\) is the geometric mean of maximum and minimum of phase tensor. The blue and green arrows show the real and imaginary parts of the induction vectors with Parkinson convention. The black curve, red triangle, and blue circle with Y denote the national road 292, the peak of Mt. Kusatsu–Shirane and the Yugama crater lake, respectively

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