Fig. 9From: Washover deposits related to tsunami and storm surge along the north coast of the Shimokita Peninsula in northern JapanGrain-size analysis of present-day sediments. Histograms show phi-scale grain-size distribution. Vertical axis indicates the probability of particles. N means the number of particle samples measured. Mean, median, mode, skewness, and kurtosis of each histogram are shown in Additional file 2: Table S1Back to article page