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Landslide dam : ウィキペディア英語版 | Landslide dam A landslide dam, debris dam, or barrier lake is a natural damming of a river by some kind of mass wasting: landslide, debris flow, rock avalanche or volcano. If it is caused by earthquake, it may also be called a quake lake. Some landslide dams are as high as the largest existing artificial dam. 〔 Robert B. Jansen (1988) "Advanced Dam Engineering for Design, Construction, and Rehabilitation", ISBN 0-442-24397-9〕 ==Causes== The major causes for landslide dams investigated by 1986 are landslides from excessive precipitation and earthquakes, which account for 84%. Volcanic eruptions account for a further 7% of dams. 〔R.B. Jansen refers to Schuster R.L. and Costa J.E., "A Perspective on Landslide Dams", in ''Landslide Dams'' by the ''American Society of Civil Engineers'', 1986, pp. 1-20.〕 Other causes of landslides account for the remaining 9%.
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