Story Structure — 5 Plot Phases
A Dam Above Mount Toc
Engineer Semenza plans the Vajont dam to carry electricity across the country. The artificial lake and the towns below establish the setting for the danger that follows.
Key Events
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Mount Toc and the Artificial Lake — The dam creates an artificial lake beneath Mount Toc.
Location: Mount Toc and the artificial lake formed by the Vajont dam
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The Dam Is Planned — Engineer Semenza plans the 263-meter dam to carry electricity to homes across the country. Characters: L'Ingegner Carlo Semenza
Location: Vajont dam construction site
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A Dam Above the Valley — The reference describes the dam as the world's highest and the towns below it.
Location: Vajont dam and the towns below
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Merlin Raises the Alarm — Journalist Tina Merlin begins denouncing the danger of building the dam near Mount Toc. Characters: Tina Merlin
Location: Mount Toc and the dam area
Merlin's Persistent Warnings
Tina Merlin repeatedly denounces the danger of building near Mount Toc. She also tries to expose omissions by politicians and workers in charge of construction.
Key Events
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Warnings Continue for Years — Merlin continues her campaign to warn of the danger and expose omissions. Characters: Tina Merlin
Location: The Vajont area
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Officials Ignore Omissions — Merlin denounces omissions by politicians and workers responsible for construction. Characters: Tina Merlin
Location: The dam project
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Edoardo's Alarming Analysis — Edoardo Semenza presents an alarming analysis of the geological danger. Characters: Edoardo Semenza
Location: Mount Toc and the dam area
Conflicting Geological Assessments
Edoardo Semenza's analysis warns of geological danger. Those in charge instead trust Giorgio dal Piaz's assessment, and the warnings are dismissed.
Key Events
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Dal Piaz's Assessment Prevails — Those in charge prefer Dal Piaz's assessment to Edoardo's warning. Characters: Giorgio dal Piaz, Edoardo Semenza
Location: The dam project
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Warnings Are Dismissed — The reference says warnings were not heeded as officials trusted Dal Piaz's assessment. Characters: L'Ingegner Carlo Semenza, Edoardo Semenza, Giorgio dal Piaz
Location: The Vajont dam project
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The Danger Remains Unrecognized — Despite warnings and analysis, the full danger is not understood before the fatal night. Characters: Tina Merlin, Edoardo Semenza, Giorgio dal Piaz
Location: The Vajont area
The Fatal Night
The danger remains unrecognized until October 9, 1963. At 10:39 pm, a massive landslide falls from Mount Toc into the artificial lake.
Key Events
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October 9, 1963 — The fatal night arrives, with the disaster dated to October 9, 1963.
Location: Vajont valley
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The Landslide Begins — At 10:39 pm, 260 million cubic meters of rock fall from Mount Toc into the artificial lake.
Location: Mount Toc
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A Wave Surges Across the Lake — The landslide creates a wave approximately 250 meters high.
Location: The artificial lake at Vajont
The Flood's Aftermath
The landslide generates a huge wave, and water destroys the towns below the dam. The reference reports that more than 2,000 people are killed.
Key Events
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Towns Below Are Destroyed — About 50 million cubic meters of water destroy the towns below the dam.
Location: Towns below the Vajont dam
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The Human Toll — The disaster kills more than 2,000 people.
Location: The towns below the Vajont dam