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Earth, Planets and Space
Fig. 4 | Earth, Planets and Space

Fig. 4

From: Underground structures associated with horizontal sliding at Uchinomaki hot springs, Kyushu, Japan, during the 2016 Kumamoto earthquake

Fig. 4

Comparison of a S-wave velocity at 20 m depth and b surface deformation derived from DInSAR data (right-looking during descending orbits) from 7 March to 18 April 2016 (Tsuji et al. 2017). Purple lines represent open fissures interpreted from field observations and satellite data (Tsuji et al. 2017) and correspond to the northwestern boundary of the southern high-velocity region (a). The area of greatest displacement in b is in the area of the plume-shaped high-velocity anomaly near the center of the hot springs. c Comparison of dispersion curve at (i) northern paddy fields, (ii) compressional deformation area (fracture zone), and (iii) center of the hot spring (higher velocity). The locations of these survey positions are shown in a, b

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