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Why do Tsunamis occur ? PowerPoint Presentation
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Why do Tsunamis occur ?

Why do Tsunamis occur ?

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Why do Tsunamis occur ?

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  1. Why do Tsunamis occur ? By Omkar

  2. Overview • Tectonic Plates • Earthquake • Wave Formation • Tsunami Formation

  3. Tectonic plates • The crust of our planet is cracked into seven large and many other smaller slabs of rock called plates • Plates Move ,collideforming • Deep ocean trenches • Mountains • Volcanoes • Earthquakes.

  4. Tectonic plates…

  5. Wave formation • An earthquake occurs when two tectonic plates crash into each other and one plate slips under the other under the Deep Ocean • Water level rises above sea level • Gravity causes the water to spread into a wave that travels at an incredible speed and with amazing power.

  6. Wave formation

  7. Tsunami formation • The waves get bigger as it gets closer to shoreline • When it hits shallow water the huge wave travels more slowly • The water from the shore moves into the ocean, and then the massive wave crashes into the shore and keeps traveling inland

  8. Questions ?