Nevado del Ruiz Case Study 0.0 / 5 ? GeographyNatural hazardsGCSEOCR Created by: AliceCreated on: 13-11-15 17:11 Which two plates cause the volcano? Nazca and South American 1 of 14 Where is the volcano? nr Armero, Columbia 2 of 14 Why do the plates melt and what does this form? friction; magma 3 of 14 What type of volcano is Nevado del Ruiz? Strato 4 of 14 When was the eruption? 13th November 1985 5 of 14 How much of the ice cap melted? 5-10% 6 of 14 What river did the lahar flow down? Languntilla River 7 of 14 How much of Armero was destroyed? 85% 8 of 14 How many people died? 23 000 9 of 14 How many people were left homeless? 10 000 10 of 14 What happened to the water supply? It became contaminated with lead and iron 11 of 14 How many cattle were affected? 35 000 12 of 14 Why did all rescue have to be undertaken by air? Because the mud couldn't support heavy machinery 13 of 14 How many days did it take for international aid to arrive? 3 days 14 of 14
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