Learn the "Anatomy of a Tsunami" on NOVA Web Site

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Today's earthquake off the coast of Sumatra has prompted a tsunami warning and has led to the evacuation of coastal residents of the Indian Ocean. Details of tsunamis past and future are available on NOVA's "Wave that Shook the World" Web site at http://www.pbs.org/nova/tsunami.

The tragic tsunami that struck the Indian Ocean on December 26, 2004, killing hundreds of thousands of people and causing unthinkable damage, demonstrates all too clearly the devastation that tsunamis can wreak. But what are the precise scientific causes of such tidal waves? What can we learn by studying past tsunamis? And can future ones be adequately detected and effective warnings sent out, so that such staggering loss of life may be averted? In a special report shot within days of the disaster, NOVA presents a clear explanation and analysis of the tragedy on "Wave that Shook the World," airing March 29, 2005 at 8pm ET on PBS, revealing exactly how these deadly waves were triggered by one of the most powerful earthquakes recorded in the past century.

Visit the companion Web site at http://www.pbs.org/nova/tsunami for interactive features including:

Anatomy of a Tsunami http://www.pbs.org/wgbh/nova/tsunami/anatomy.html
This interactive feature details precisely what scientists believe occurred on December 26, 2004, from the initial earthquake to the moment the massive waves it spawned inundated shores around the Indian Ocean.

Once and Future Tsunamis http://www.pbs.org/wgbh/nova/tsunami/once.html
Learn the global history of tsunamis with this interactive map—from the wave that pummeled the Greek islands of Crete and Santorini in 1410 B.C., to the 2004 disaster in the Indian Ocean—and hear from experts on where and when the next could strike.

Preparing for the Next One http://www.pbs.org/wgbh/nova/tsunami/wave.html
How well can we detect tsunamis, and more importantly, can we warn the world's coastlines in time?

Ask the Expert http://www.pbs.org/wgbh/nova/tsunami/ask.html
Why does the ocean recede before a tsunami? How do tsunamis move as fast as jetliners in the open sea? For a week following the broadcast on March 29, tsunami expert Lori Dengler will answer science-related questions like these that viewers send in.

Also Links & Books and a Teacher's Guide

In addition to the NOVA Web site, on Wednesday, March 30 at 3 pm ET readers can join a washingtonpost.com live Online chat about tsunamis with Dr. Thomas Heaton, professor of engineering seismology at the California Institute of Technology at http://discuss.washingtonpost.com/wp-srv/zforum/05/entertainment_heaton033005.htm

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Lisa Cerqueira
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