| A tsunami is a series of waves |
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| When plates in the ocean move |
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| The waves are so powerful |
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| When earthquakes happen in coastal regions |
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| If an underwater earthquake happens far away from land |
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| The tsunami of 2004 |
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| The beaches of Thailand, Indonesia and Sri Lanka |
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| Many areas in the Pacific region |
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| When you see a big wave coming |
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