Japan faces a significant threat from a powerful earthquake along the Nankai Trough. This event, predicted to occur within ...

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

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.

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

Japan's Meteorological Agency has issued an alert for a potential 'megaquake' hours after a powerful 7.5 magnitude earthquake ...

Japan issued a megaquake alert after a powerful 7.5 earthquake struck northern Japan, triggering tsunami waves and disrupting ...

A 6.7 magnitude earthquake occurred Friday afternoon local time off the northern coast of Japan, the Japan Meteorological ...

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 ...