Preparation is key for communities that live in high-risk coastal regions.
If you are fleeing from a tsunami and no such havens are available, try to find a sturdy, reinforced concrete building. Climb as high as possible—at least to the third floor—and head for the roof.
“If there’s a large hotel with several stories, that would probably be your best bet rather than any of the vacation homes,” Garrison-Laney says. “It would need to be a building that had a pretty substantial concrete foundation, and even then there’s no guarantee.” After all, most buildings weren’t constructed to withstand the kinds of forces a tsunami will throw at them.If everything else fails, grab a piece of floating debris. Some people have, you’ll face turbulent water filled with rubble.
“People have perished by assuming that the first wave was the extent of the disaster,” Miller says. “There’s always follow-on waves…in the same way that when you throw a pebble into a rain puddle there’s never just one wave.” So if you are perched in a sturdy tree or on a building and haven’t received the all clear from emergency personnel, don’t come down right away. “I would probably stay up in the tree for three or four hours,” Garrison-Laney says.the authorities to tell you it is safe to return to low-lying areas. “The coastline could be devastated with flooding and damaged homes and debris fires,” Chang Seng says.
And the tsunami may have weakened structures that it did not sweep away. Several hours after the 2004 Indian Ocean tsunami, Chang Seng drove over a bridge in his home country, the island nation of Seychelles, which is located off the eastern coast of Africa. “I’d just crossed the bridge in a car, then a couple of seconds after that the same bridge collapsed,” Chang Seng says.Tsunamis can hoist boulders and sweep buildings right off their foundations.
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