1. Tsunamis https://www.youtube.com/watch?v=5-zfCBCq-8I https://www.youtube.com/watch?v=dJBS94GVyuo

2. What is a tsunami? Japanese words tsu (harbor) and nami (waves) It is a wave or series of waves in the ocean that can be hundreds of miles long and have been known to reach heights of up to 45 ft Waves can travel at speeds close to 300 mph They can cause massive damage and kill many along coastal lands.

3. How does it happen? Triggered by underwater earthquakes which forces the water upward The wave moves outward in all directions As a wave reaches shallow water, it slows down and gets taller. http://www.pbs.org/wnet/savageearth/animations/tsunami/main.html http://www.pep.bc.ca/tsunamis/causes_2.htm https://www.youtube.com/watch?v=chbbiSCczB8

4. http://www.usatoday.com/news/graphics/tsnumai/flash02.htm

6. Prior to this earthquake the Indian Plate was moving beneath the Burma Plate, meeting resistance and compression forces accumulated. When the fault between these two plates suddenly slipped a rupture approximately 1,200 kilometers long developed in the ocean floor with a vertical displacement of about 15 meters. The boundary between the plates and the line of failure are shown on the map below as the blue saw-tooth line.

8. Contour lines-arrival time, colors- wave height

10. Can I surf a Tsunami Wave? Typical Tsunami Wave vs. Typical Wind-generated Wave Wave Feature Wind- generated Wave Tsunami Wave Wave Speed 5-60 mph (8-100 kph) 500-600 mph (800-1,000 kph) Wave Period (time required for two waves to pass a single point in space) 5 to 20 seconds apart 10 minutes to 2 hours apart Wave Length (horizontal distance between two waves) 300-600 feet apart (100-200 meters apart) 60-300 miles apart (100-500 km apart)

11. No- there is no face to the wave Surfing waveTsunami wave

12. Dec. 2004 Tsunami 9.2 Earthquake in Indian Ocean caused it Killed 230,000 people Made clear that tsunami warning systems are needed globally

14. 2011 Tsunami in Japan https://www.youtube.com/watch?v=TRDpTEjumdo https://www.youtube.com/watch?v=-DSSssHxm4Y https://www.youtube.com/watch?v=w3AdFjklR50

15. http://www.nytimes.com/interactive/2011/03/11/world/asia/maps-of-earthquake-and-tsunami-damage-in-japan.html?ref=asia

16. 1960 9.5 Chile

17. Saving lives Currently there is a warning system in the Pacific Ocean. (none in the Indian or Atlantic Oceans) Buoys alert satellites, which relay information to scientists who issue warnings to countries. Evacuation alarms will sound.

18. Warning system

19. If you see the water receding from the shoreline, move to higher ground immediately!

21. Tsunami wave

22. http://www.howstuffworks.com/tsunami.htm Review: http://www.youtube.com/watch?v=chbbiSCczB8&feature=relatedhttp://www.youtube.com/watch?v=chbbiSCczB8&feature=related Tilly Smith warns family: http://abcnews.go.com/2020/video?id=6707152http://abcnews.go.com/2020/video?id=6707152

23. Could it happen here? https://www.youtube.com/watch?v= 9e8CRE3lRdA

24. Family survives 2004 tsunami Tsunami ground zero 2004 Japan 2011 http://www.youtube.com/watch?v=IRXlHhxhq64 http://www.youtube.com/watch?v=IRXlHhxhq64 The Impossible Trailer http://www.youtube.com/watch?v=Bgw394ZKsis http://www.youtube.com/watch?v=Bgw394ZKsis http://www.youtube.com/watch?v=6l-fBxtGFrA http://www.youtube.com/watch?v=Hq_PoQDyqwQ

25. Earthquake and Tsunami Review

26. What type of plate boundary produces earthquakes? Convergent, Divergent, and Transform

27. Where do we see the most earthquakes occur? Near plate boundaries

28. What should you do to stay safe during an earthquake? Drop, cover, and hold on After the quake, evacuate the building and move to an open area.

29. What causes a tsunami? Underwater earthquakes, usually at convergent plate boundaries.

30. How do you stay safe during a tsunami? If an earthquake has occurred and you are near water, move quickly to higher ground or far inland.