Indian Ocean Tsunami 2004

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9 Terms

1
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What was the magnitude of the earthquake?

9.0-9.3

2
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What triggered the Tsunami waves?

  • Heaved the floor of the Indian Ocean

  • Waves were 17m high

3
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Why was the event so significant?

It affected low lying areas all around the Indian Ocean due to the epicentre being extremely close to coastal communities

4
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How many people were affected?

5 million

5
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How many were killed and left homeless?

  • Around 300,000 died

  • 1.7 million left homeless

6
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What was the issue for Sri Lanka?

Areas of Mangrove forest were destroyed for tourism meaning that their natural sea defences no longer existed

7
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What economic impacts were there?

  • $10 billion in damage

  • Tourism and agriculture destroyed

8
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How many villagers were killed?

70%

9
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What environmental impact did the earthquake have?

  • Ecosystems destroyed

  • Freshwater supplies contaminated by salt water

  • Agricultural soil also contaminated