If such a megaquake were to occur, it could potentially cause a dangerous tsunami that could put thousands of lives at risk. Japan's meteorological agency has published a map showing which parts ...

“It feels realistic because (the map) shows, for example, how many minutes are left until the tsunami reaches the blue areas,” said Masayuki Suyama, 75, head of the Fujisaki neighborhood ...

The monster earthquake and ensuing tsunami that ravaged Japan in March 2011 left behind a ton of floating debris in its wake—25 million tons to be exact. And now that giant mass of garbage ...