Japan is lifting a megaquake advisory for the country’s northeastern coast, a week after a magnitude 7.5 earthquake struck ...

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

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.

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

In a significant update, Japan has lifted its rare warning for a potential megaquake just a week after a powerful magnitude-7.5 earthquake rattled the northern coast. This recent development, ...

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

Authorities are urging residents to review evacuation plans as simulations suggest a ‘maximum-class’ winter night quake could ...

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

A megaquake is defined as an exceptionally large earthquake, typically of magnitude 8.0 or higher, that occurs in a subduction zone. Subduction zones are geological areas where one tectonic plate is ...

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