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Today

Today. Hand in any work needed. Check the list in the back, if you owe something. Get out a small piece of paper, PUT YOUR NAME ON IT. When bell rings the quiz will start and you will have 1 minute per question to answer. Question 1. What is that Lat/ Long of Slide Mt, NY?. Question 2.

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Today

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  1. Today • Hand in any work needed. • Check the list in the back, if you owe something. • Get out a small piece of paper, PUT YOUR NAME ON IT. • When bell rings the quiz will start and you will have 1 minute per question to answer.

  2. Question 1 • What is that Lat/ Long of Slide Mt, NY?

  3. Question 2 • Name the 2 plates at the Chile Trench.

  4. Question 3 • Which of the two plates at the Chile Trench is the overriding plate?

  5. Question 4 • The P-wave arrives at 1:02:15 and the S-wave arrives at 1:07:55, how far away did the EQ occur?

  6. Answers • 42oN 74o 30’ W • Nazca and South American • South American • 4000km

  7. Tsunami NOT a Tidal wave!!

  8. What is a Tsunami? • Japanese for harbor wave. • It is a, large wave that uses the whole water column to transfer its energy. • In English, a really big wave!

  9. Why not a Tidal Wave? • A tidal wave is caused by tides (earth and moon interaction) • Anywhere from 1mm to 20cm • A Tsunami is • Anywhere from 1m to 300 m Tsunami Wave Tidal Wave GOOD BAD

  10. So, What is a Tsunami? • A wave caused by movement of water under the water. • Like an Earthquake • Or a large landslide

  11. Christmas Tsunami • December 26, 2004 – An earthquake (9.0) moved the water off the coast of Indonesia. • Within hours a tsunami hits the coasts.

  12. Tsunami Wave Traveling

  13. How tsunamis kill? • Flooding • Fast larges waves catch people off guard • Knock over building • Destroy roads • Remove anything in its way that’s not built strongly

  14. How do we save or predict tsunamis? • If it is a wave we can measure the changes in waves in the ocean with buoys. If they move vertical more then normal there is a warning. • If there is an earthquake nearby then their might be a tsunami wave.

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