(Based on the December 26th attack)

What Are Tsunamis, and What Causes Them?

Tsunamis are ocean waves produced by earthquakes or underwater landslides. The word is Japanese and means "harbor wave," because of the devastating effects these waves have had on low-lying Japanese coastal communities. A tsunami is a series of waves that can travel at speeds averaging 450 (and up to 600) miles per hour in the open ocean. As the waves approach the coast, their speed decreases and their amplitude increases.

Tsunamis are most often generated by earthquake-induced movement of the ocean floor. Landslides, volcanic eruptions, and even meteorites can also generate a tsunami. Areas at greatest risk are less than 25 feet above sea level and within one mile of the shoreline.

From an initial tsunami generating source area, waves travel outward in all directions much like the ripples caused by throwing a rock into a pond. As these waves approach coastal areas, the......

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Title: Devastated Asia - Tsunami Attack
Approximate Word Count: 760
Approximate Pages: 4 (250 words per double-spaced page)

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