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Fig. 3 | Earth, Planets and Space

Fig. 3

From: San-in shear zone in southwest Japan, revealed by GNSS observations

Fig. 3

a GNSS velocities, shallow seismicity, and active faults in and around the San-in shear zone (SSZ). Purple broken lines are active faults (Research Group for Active Faults in Japan 1991). Red dots are seismicity with magnitude of ≥1 and a depth of <30 km during 1998–2016. White stars are epicenters of shallow M ≥ 6.5 earthquakes with their occurrence year. Blue circles are new GNSS stations installed in 2014. A direction of maximum compressional stress in the SSZ (Kawanishi et al. 2009) is indicated by a couple of arrows. b Schematic Riedel shear in a shear zone. D, R, and R′ are principal displacement shear, Riedel shear and conjugate Riedel shear, respectively

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