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Progress in Earth and Planetary Science
Fig. 13 | Progress in Earth and Planetary Science

Fig. 13

From: Seismicity distribution in the Tonankai and Nankai seismogenic zones and its spatiotemporal relationship with interplate coupling and slow earthquakes

Fig. 13

Temporal variation of seismicity within 5 km from the plate interface. a In Areas 6 to 10 during shallow slow-slip event occurrence (time window is 2 years), b in Area 12 around the time when swarm-like activity was observed (time window is 6 months). The black line in a and green line in b are the cumulative number of VLFEs reported by Takemura et al. (2019) and Nakano et al. (2018a), respectively. Light-blue boxes reflect the confirmed activation of interplate seismicity as read visually; dotted boxes are less clear than the solid boxes. Other symbols are the same as in Fig. 12

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