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Mass movement case study: Vajont dam, Italy 1963

Effects

2000 deaths
Land below dam covered in thick layer of mud, flattening the valley
200m wave destroyed villages below dam
Power supply destroyed moments before the wave struck
Entire villages destroyed so all services lost meaning any survivors…

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Assumed that a large land slide couldn't occur as the investigation of the
left bank, following evidence that it was unstable, including 3 bore hole
drillings and seismic investigations found no signs of weakness so it was
assumed the slope was made of stable rock.
Water levels…

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