Case Study: Indian Ocean Tsunami Flashcards

1
Q

Background/ causes

A
  • 26th Dec 2004, an earthquake of between 9-9.3 lasting 3 mins
  • Earthquake created in the subduction zone where the Indo-Australian plate subducts beneath the Eurasian Plate.
  • 1600km of sea bed displaced by 15m.
  • Vast amount of ocean water displaced creating the devastating tsunami wave.
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2
Q

Economic impacts

A
  • Economies were devastated particularly in agriculture, fishing and tourism
  • In Banda Aceh, 44% of people lost their livelihoods
  • Thailand -> estimated loss to fishing industry was £226 million
  • Negative multiplier effect
  • Economic cost estimated by insurance companies at $5 bn
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3
Q

Social impacts

A
  • 300,000 people estimated to have lost their lives.
  • Several thousand foreign tourists died
  • Hundreds of thousands made homeless
  • Cholera outbreaks common
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4
Q

Environmental impacts

A
  • Vegetation and topsoil destroyed by tsunami up to 8km inland
  • Coastal ecosystems such as coral reefs and mangroves destroyed by tsunami wave
  • Freshwater supplies contaminated by human and chemical waste
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5
Q

Short term responses

A
  • No early warning system in place at time so few people aware of dangers.
  • Tsunami warnings in some countries were slow to be broadcast
  • Huge international aid response put into action with over 160 organisations involved.
  • Bottles of water, purification tablets, food and tends sent
  • UK government provided £75 million
  • Australian Air Force deployed
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6
Q

Long term responses

A
  • UN set up an early warning system in the Indian Ocean
  • On tourist beaches in Thailand there are tsunami sirens but isolated rural villages have to rely on radio broadcasts
  • UK Disasters and Emergency Committee has spent over £230 million rebuilding homes in Sri Lanka and Indonesia.
  • Teaching tsunami awareness in schools and having regular practice drills
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7
Q

Evaluation

A
  • Low preparedness
  • Local NGOs and community leaders were excluded from the immediate relief effort and local knowledge and expertise was not made aware of.
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