Exposé Anglais Tsunamis

Slideshow Transcript

1. Slide 1:TSUNAMIS www.jexpoz.com
2. Slide 2: CONTENTS • Introduction • I – Formation & propagation of a tsunami • II – Dangers related to tsunamis and Prevention • III – Physical characteristics • Conclusion
3. Slide 3: Introduction • A tsunami is a series of waves • Causes: Earthquakes, landslides, meteorite impacts, underwater explosions, … • Not created by the wind
4. Slide 4:I – a) Definition • Comes from the Japanese words meaning harbor (“tsu”) and wave (“nami”) • small amplitude but very long wavelength • generally pass unnoticed in open water
5. Slide 5: BEFORE AFTER These images make it possible to realize the power of the Tsunami. The violence of the wave has totally destroyed a whole part of the shore which sheltered the port.