1. Tsunamis
Cornell Notes
Page 125

2. What is a Tsunami?
a series of long water waves caused by the displacement of a large volume of water.
typically resemble a rapidly rising tide on shore.

3. What causes Tsunamis?
Usually caused by underwater earthquakes

5. What else causes tsunamis?
Landslides, glacier calvings, volcanic eruptions, meteoroids, nuclear testing

6. Worst Tsunami on Record?
2004 Indian Ocean Tsunami
over 230,000 people died

7. Photo courtesy of www.digitalglobe.com
Sri Lanka, 26 Dec 2004 image shows "Drawback" of water exposing ~ 150 meters of "temporary" beach.
Photo courtesy of 

11. What is a Tsunami?

13. What are the warning signs?
Earthquake
Water rapidly retreats back into the ocean
Debris in water
Animals…?
Roaring sound

20. Slide 3: http://news. nationalgeographic