Geomorphological and geological study on the history of interrelation between inter-plate and intra-plate earthquake

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This study aims to reconstruct a new model on inter-plate earthquakes from geomorphological and geological evidences observed in coastal area. We executed geomorphological and geological fieldwork on raised coastal landforms and tsunami boulder in the southern part of Kii peninsula, Pacific coast of Japan. We could suggest that focal area in inter-plate and intra-plate should have been interrelated in the late Holocene through modeling on tsunami wave and radio carbon dating.