Tsunami: Facing The Global Threat

It's one of the deadliest natural phenomena on the planet. Tsunamis are so sudden and powerful that in a matter of minutes, they can wipe out a coastline. They can happen all over the world. When energy builds up beneath Earth's surface, a series of huge waves can rise up to crush everything in their path. What can we do to get ready? How can we protect ourselves against this global threat?