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

Two major earthquakes on opposite sides of the Pacific within roughly two days have jolted public anxiety, feeding talk of a ...

Powerful aftershocks strike Japan days after megaquake advisory issued - Monday night’s earthquake injured at least 51 people ...

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.” ...

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

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

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

A huge 800-mile stretch of Japan is subject to the megaquake alert — the highest-level warning of its type — following the ...

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

The quake struck the country's north just days after a 7.5-magnitude earthquake in the same region injured 50 people.

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