2017
DOI: 10.1007/s10064-017-1097-1
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Geological characteristics of landslides triggered by the 2016 Kumamoto earthquake in Mt. Aso volcano, Japan

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Cited by 28 publications
(14 citation statements)
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“…In general, landslides in relatively ‘soft’ soils, such as volcanic ash, occur on relatively gentle slope gradients (e.g. Hotta et al, ; Tanaka, ; Okusa et al, ; Chigira et al, ; Song et al, ). Indeed, 59% of the landslides identified in our study occurred on slopes < 30° (Figure ).…”
Section: Discussionmentioning
confidence: 99%
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“…In general, landslides in relatively ‘soft’ soils, such as volcanic ash, occur on relatively gentle slope gradients (e.g. Hotta et al, ; Tanaka, ; Okusa et al, ; Chigira et al, ; Song et al, ). Indeed, 59% of the landslides identified in our study occurred on slopes < 30° (Figure ).…”
Section: Discussionmentioning
confidence: 99%
“…Small landslides and fissures concentrated on hillslopes covered by forests and grasslands within the central cones of Aso Volcano (Ishikawa et al, ; Miyabuchi, ; Yano et al, ). Sequences of soil layers, including tephra, were the main sliding surfaces in these areas (Song et al, ).…”
Section: Introductionmentioning
confidence: 99%
“…indicates an amplification of ground motion towards the crown of the landslides. Additionally, (Sato et al, 2017) consider the tephra layers rich in halloysite to be the main sliding surfaces indicating shallow landslides (Song et al, 2017).…”
Section: Discussionmentioning
confidence: 99%
“…Most studies [36,37,38,39] have shown that: (1) the earthquakes were triggered by the local fracture movement in the volcanic zone; (2) the structure of the rock-soil was damaged; (3) the originally weak structural planes and joint fissures in the stratum were displaced; (4) the bedrock fissure network was penetrated, expanded, further evolved, and accumulated into loose debris under specific hydrological conditions; and (5) subsequent to steps 1–4, collapse and landslide occurred. As a result, an earthquake–collapse–landslide disaster chain was formed.…”
Section: Methodsmentioning
confidence: 99%