YAMANAKAKO, Yamanashi Prefecture--Solidified lava from eruptions of Mount Fuji in the distant past offers frightening clues of what awaits if the sacred mountain blows its top again. Researchers ...

A "megaquake" hitting Japan in the next 30 years could trigger 100-foot tsunamis and kill hundreds of thousands of people.

Once described as the “Mount Fuji of America,” Mount St. Helens ... near the mountain to keep people away in the event of an eruption, but authorities said people were still sneaking into ...

There are many alternative ways to experience central Japan’s sacred peak without the crowds, from hiking its sister summits ...

One of the world's most active volcanoes erupted over 1,000 times in the first 19 days of 2025, producing ash clouds over two miles high.

Japan's government and experts have issued a warning about the increasing likelihood of a mega-earthquake striking the nation ...

A Japanese government panel has said it has slightly raised its estimated probability of a "megaquake" to up to 82% in the ...

A Japanese government panel has slightly increased its forecast for the likelihood of a “megaquake” occurring along the ...

The Earthquake Research Committee said it has increased its estimate of the probability to between 75 and 82 percent from ...

This event, known as the Hoei Earthquake, not only devastated regions along the coast but also triggered the last eruption of Mount Fuji. "It has been 79 years since the last earthquake ...