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Fig. 1 | Earth, Planets and Space

Fig. 1

From: Rheological properties of halloysite soil slurry: a case study of weathered tephra involved in a shallow landslide triggered by the 2018 Eastern Iburi earthquake in Hokkaido, Japan

Fig. 1

a Locations of the epicenter of the Eastern Iburi earthquake (red cross) and the studied landslide in the Tomisato district (42.762°N, 141.931°E; black arrow). b Aerial view of the landslide (Geospatial Information Authority of Japan, 2018). c Lateral scarp showing a stratigraphic sequence of volcanoclastic deposits from Tarumae volcano (modified after Kameda et al. 2019). Weathered tephra samples were collected from the clay layer in the Ta-d layer that is in contact with the underlying Neogene sedimentary rock. The clay layer contains 40% halloysite (Kameda 2021)

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