Fig. 7From: Topographic effects on frequency-size distribution of landslides triggered by the Hokkaido Eastern Iburi Earthquake in 2018An example of soil stratification at the location marked by a blue square in Fig. 1. Ta: tephra produced by the Tarumae volcano. a in 1739, b in 1667, c at 2500 ybp, and d at 9000 ybp. En-a: tephra produced by the Eniwa volcano at 20,000 ybp (Nakagawa et al. 2018). Blue and white circles show the locations of soil samplingBack to article page