History of Tsunamis Byron Powell University of Phoenix CMP 555 6/26/05 This presentation contains: text (bullets), graphics, digital images, and video clips.

Definition of Tsunami A tsunami is a natural phenomenon consisting of a series of waves generated when water in a lake or the sea is rapidly displaced on a massive scale. A tsunami is a natural phenomenon consisting of a series of waves generated when water in a lake or the sea is rapidly displaced on a massive scale. Image from

Causes of Tsunami Earthquake Earthquake –A trembling or shaking of the Earth’s surface. Impact Events Impact Events –Caused by the collision of meteoroids, asteroids, or comets with Earth.

Causes of Tsunami Landslide Landslide –A geological phenomenon which includes a wide range of ground movement, such as avalanches or falling rock. Volcanic Eruption Volcanic Eruption

Areas Affected by Tsunami Any coastal area can be affected by a tsunami. Any coastal area can be affected by a tsunami. Image from

Tsunami Warnings Tsunamis cannot be prevented or predicted with 100% accuracy, but there are several warning signs. Tsunamis cannot be prevented or predicted with 100% accuracy, but there are several warning signs. –Animals sense the danger and begin to flee. –The sea will recede from the coast. –A tsunami warning system can be in place and warn of the tsunami.

Tsunami Prevention As stated before it is not possible to prevent tsunamis, but several countries have measures in place to minimize damage. Japan has built tsunami walls. As stated before it is not possible to prevent tsunamis, but several countries have measures in place to minimize damage. Japan has built tsunami walls. Image from

Tsunami History The most recent tsunami occurred in December 2004, and struck many countries bordering the Indian Ocean. The most recent tsunami occurred in December 2004, and struck many countries bordering the Indian Ocean. All continents have been hit by a tsunami at some point in time. All continents have been hit by a tsunami at some point in time.

Tsunami History Range of Indian Ocean tsunami in Range of Indian Ocean tsunami in Animation from

Tsunami Information The oldest tsunami account comes from China. The oldest tsunami account comes from China. Nine confirmed tsunamis have struck North America, hitting regions such as Alaska, Hawaii, Newfoundland, California, British Columbia, Maine, and Puerto Rico. There are seven other cases that could have been tsunami. Nine confirmed tsunamis have struck North America, hitting regions such as Alaska, Hawaii, Newfoundland, California, British Columbia, Maine, and Puerto Rico. There are seven other cases that could have been tsunami.

Tsunami Information At least eight tsunamis have struck South Asia. Most notably, the Indian Ocean tsunami of At least eight tsunamis have struck South Asia. Most notably, the Indian Ocean tsunami of At least one tsunami struck Portugal in At least one tsunami struck Portugal in Most tsunamis occur in the Pacific Ocean. Most tsunamis occur in the Pacific Ocean.

Assignments You will be identifying which geographical areas are more susceptible to tsunami and why these areas are susceptible. You will then conduct research on the Internet and learn about the history of tsunamis by using the instructional web pages provided and the world map. You will be identifying which geographical areas are more susceptible to tsunami and why these areas are susceptible. You will then conduct research on the Internet and learn about the history of tsunamis by using the instructional web pages provided and the world map.

Assignments Once research is complete, you will then work on designing a Web Quest or PowerPoint and an oral presentation and communicate your findings to the rest of the class. Once research is complete, you will then work on designing a Web Quest or PowerPoint and an oral presentation and communicate your findings to the rest of the class. –You have only three days for research. –You have five more school days to complete the presentation.

Assignments Three additional assignments will be assigned after the presentations. Three additional assignments will be assigned after the presentations. –Word Search –Crossword Puzzle –Matching Worksheet

Tsunami Video The presentation will be concluded with a movie of the Chilean Tsunami in The presentation will be concluded with a movie of the Chilean Tsunami in (Click to start video) Animation from

References Tsunami Physics (n.d.). Retrieved on June 26, 2005 from Tsunami Physics (n.d.). Retrieved on June 26, 2005 from Wikipedia (2005). Retrieved on June 26, 2005 from Wikipedia (2005). Retrieved on June 26, 2005 from