Responses to Volcanic Hazards (AQA A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
4 main categories of response to volcanic hazards
4 main categories of response to volcanic hazards
Preparedness, mitigation, prevention, and adaptation
Preparedness (volcanic hazards)
Preparedness (volcanic hazards)
Predicting eruptions & taking action before disaster strikes
Mitigation (volcanic hazards)
Mitigation (volcanic hazards)
Actions to reduce/eliminate long-term risks posed by volcanoes
Lahars
Lahars
Volcanic mudflows
Pyroclastic flows
Pyroclastic flows
Fast-moving current of hot gas and volcanic matter
Warning sign: increased gas emissions from volcano
Warning sign: increased gas emissions from volcano
Higher levels of sulphur dioxide and carbon dioxide
Warning sign: ground deformation
Warning sign: ground deformation
Land bulges upwards due to pressure from below
Can volcanic eruptions be prevented?
Can volcanic eruptions be prevented?
No - geological forces are beyond human control
PHIVOLCS
PHIVOLCS
Philippine govt dept monitoring volcanoes, earthquakes, tsunamis
Mount Mayon height & type
Mount Mayon height & type
2,462m above sea level; composite volcano