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Progress in Earth and Planetary Science
Fig. 10 | Progress in Earth and Planetary Science

Fig. 10

From: Historical and paleo-tsunami deposits during the last 4000 years and their correlations with historical tsunami events in Koyadori on the Sanriku Coast, northeastern Japan

Fig. 10

Photographs and roundness of tsunami deposits, channel deposits, debris flow deposits, modern beach deposits, and modern river deposits. a Modern river deposits (Loc. 1). b Modern river deposits (Loc. 2). c Debris flow deposits in the canal-trench (Loc. 7). d Modern beach deposits (Loc. 8). e The E1 deposits in the south wall of the KYD-trench. f The E3 deposits in the south wall of the KYD-trench. g Comparison of the 2011 Tohoku-oki tsunami deposits, beach deposits, modern river deposits, and debris flow deposits; h tsunami deposits in the KYD-trench wall. Scale in the photographs is 1 cm. In the triangular diagrams, x-axis indicates well-rounded/rounded, y-axis indicates sub-rounded/sub-angular, and z-axis indicates very angular/angular

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