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Official Journal of the Asia Oceania Geosciences Society (AOGS)

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Fig. 4 | Geoscience Letters

Fig. 4

From: Supercycle in great earthquake recurrence along the Japan Trench over the last 4000 years

Fig. 4

a Schematic for earthquake supercycle off Miyagi in red and near the trench axis in blue (Satake and Fujii 2014; Satake 2015). If slip accumulated from the remainders from off-Miyagi earthquakes is released by giant earthquakes, the recurrence interval or supercycle measures ~ 700 years (Satake 2015). b Time-series diagram for turbidite depositions of NT13-19 PC08 and PC10. Earthquakes related to the supercycle are implied to have occurred for the last 4000 years, and the cycle has become slightly shorter in recent years, considering the concurrent depositional events. The types of earthquakes recorded only in one core have decreased in recent years

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