Nevado del Ruiz Volcanic Eruption Flashcards
In which country does the eruption occur?
Columbia
What type of plate boundary did it occur at?
Destructive boundary
What was the cause of the eruption?
Sudden release of built up pressure between the South American plate and the Nazcan plate (subducted under SA plate)
When did the volcano erupt?
13th November 1985
What was the volcano type?
Composite
How many casualties?
23,000
How much did the damages cost?
$7.7 billion
How many lahars were created?
4
What were the lahars created by?
Glaciers melted by pyroclastic flow
How much material was thrown into the air?
35 million tonnes
What were the main issues with the relief effort?j
Heavy reliance on foreign aid and mud prevented machinery reaching wounded resulting in many deaths.