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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Repeated triggered ruptures on a distributed secondary fault system: an example from the 2016 Kumamoto earthquake, southwest Japan

Fig. 3

Study site. a Topographic map around the Miyaji area. It is based on a 1-m-mesh DEM in 2012, provided by GSI. The contour interval is 10 m. b An InSAR image around the Miyaji area. InSAR image is the same as shown in Fig. 2. c An aerial photograph of the trench site provided by GSI. Vertical offset deduced by SfM-MVS photogrammetry is shown under location numbers. Topographic profile along line A is made also by SfM-MVS photogrammetry. d Vertical displacements. Uplift is a positive value. e Horizontal displacements parallel to the fault strike N50°E. The northeastward movement denotes a positive value. Figure3d, e are from Fukushima and Ishimura (2020). f Profiles of vertical and horizontal offsets. Profile lines are shown in Fig. 3d, e. Black arrows denote locations where surface rupture appeared

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