TOKYO (Reuters) - Japan issued its first-ever advisory on higher-than-usual risks of a megaquake, after a strong magnitude 7.1 quake occurred on Thursday at the edge of a tremulous seabed zone along ...

At least 298,000 people could die in the event of a mega quake in the Nankai Trough, a government estimate in Japan has forecast. The government's earthquake task force revised its estimate for ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. When winds in the upper atmosphere, say ...