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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 8 | Geoscience Letters

Fig. 8

From: Preceding seismic activity and slow slip events in the source area of the 2011 Mw 9.0 Tohoku-Oki earthquake: a review

Fig. 8

Time series of seafloor level variations at 8 OBP gauge stations for 11 days prior to the Tohoku-Oki earthquake after reducing nontectonic fluctuations [40]. Dashed curves show temporal variations due to the postseismic slip after the Mw 7.3 foreshock, obtained by log-t fitting to the observations. The red arrow shows onset of an SSE that started c. 1.5 days before the Tohoku-Oki earthquake

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