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Terrifying and Troublesome Tsunamis by Joe Clark Block 9

Learn about the terrifying and troublesome nature of tsunamis, their causes, and the devastating impact they can have. Discover interesting facts about how tsunamis develop and the importance of early warning systems in reducing damage. Explore a case study of a catastrophic tsunami in Papua New Guinea and find out what can be done to mitigate the effects of these powerful ocean waves.

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Terrifying and Troublesome Tsunamis by Joe Clark Block 9

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  1. Terrifying and Troublesome Tsunamisby Joe ClarkBlock 9

  2. Giant Ocean WavesInteresting Facts • Tsunamis are started by landslides, earthquakes, or volcanoes. • The ocean floor must shift upward. A horizontal or sideways shift will not cause the waves. • Tsunami waves travel very fast. • The closer to shore the wave get, the more dangerous it becomes. • The tsunami wave slows down in shallow water and gets higher. • The earthquake that causes the tsunami can occur thousands of miles away from where the wave hits land.

  3. How a Tsunami Develops

  4. Deadly waves of a tsunami can be a serious disaster, striking with almost no warning. One of the worst tsunamis in the last century hit Papua, New Guinea, on July 17, 1998. As described by Svitvil, the first event was an earthquake, only about 15 miles offshore, that measured 7.1 on the Richter scale. More than 2,100 people died.

  5. What can be done to reduce the damage caused by tsunamis? good news: educational programs warning systems bad news: in many places warning systems are not in place, and people have not been trained to recognize warning signals.

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