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

ALARM bells are sounding across Japan over a terrifying once-a-century megathrust that could kill thousands and cause ...

A 6.7-magnitude earthquake struck off the country’s northern Pacific coast, prompting a tsunami advisory from Japan's weather ...

Powerful aftershocks strike Japan days after megaquake advisory issued - The megaquake warning covers approximately 800 miles ...

In Alaska, a federal grant that funded seismic data collection in order to warn people about tsunamis is being cancelled. Experts say cuts like this could make tsunami warnings less reliable.

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

In the latest report prepared by a Japanese government earthquake task force, it was estimated that up to 298,000 people ...