Officials said the megaquake advisory is not a prediction and the probability of a magnitude 8 or larger quake is only about ...

After a 7.5-magnitude earthquake on Monday, Japanese officials issued a rare warning for a potentially even larger follow-up.

Megaquake warning issued along 800-mile coastline as PM urges public to be prepared - The warning covers approximately 800 ...

Japan is learning what life is life under a megaquake watch. NPR's Rob Schmitz talks to Richard Allen, director of the Berkeley Seismology Lab, about what it means.

"Please stay prepared to evacuate immediately if you feel any shaking, while continuing your socioeconomic activities.” ...

Scientists say the answer is far more complex than a simple yes or no. Today, risk can be mapped, and early warnings can save ...

Numerous quakes have struck Japan since Monday's 7.5 magnitude earthquake - another quake could potentially kill nearly ...

Japan’s weather agency has warned that another large-scale megaquake could follow the 7.6 magnitude tremor that hit the ...

Japan has been struck by another strong earthquake — a 6.9-magnitude tremor hitting the same Pacific coastal region shaken by ...

Japan’s meteorological agency is warning that a magnitude 7.5 tremblor off Aomori has temporarily raised the odds — estimated ...

Japanese authorities say a megaquake could cause a devastating tsunami to strike eastern coastal areas of Japan ...

Japan is warning about a potential megaquake after a massive earthquake struck parts of the country. CBS News' Errol Barnett ...