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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Surface fault ruptures associated with the 14 April foreshock (Mj 6.5) of the 2016 Kumamoto earthquake sequence, southwest Japan

Fig. 1

a Plate tectonic setting of the Japanese islands, with triangles on the overriding plates. EU Eurasian plate, NA North American plate, PA Pacific plate, PHS Philippine Sea plate. b Active faults and surface ruptures related to the mainshock of the 2016 Kumamoto earthquake sequence around the FHFZ. Map is located in Fig. 1a. The 50-m-grid digital elevation model for shaded relief map is after the Fundamental Geospatial Data issued by the GSI. The epicenters and CMT solutions are after JMA (2016a). c Detailed map of active faults, surface ruptures related to the mainshock, and surface ruptures due to the largest foreshock that enlarged associated with the mainshock in the central part of the FHFZ. Map is located in Fig. 1b. The base map is the GSI maps. FF Futagawa fault, KF Kita-Amagi fault, TF Takano fault, SF Shirahata fault

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