After considering more than 600 cities around the world, Swiss Re concludes the Tokyo-Yokohama region is the riskiest place in the world.
A report from the reinsurer ponders five perils: earthquake, storm (cyclones and winter), storm surge, tsunami and river flooding.
The study also finds that river flooding poses the greatest threat to residents of cities. Nearly 380 million people are exposed to river flooding—and another 33 are at risk of storm surge.
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