In A Nutshell Japan’s Kikai Caldera, which produced probably the largest eruption of the past 10,000 years, appears to be ...

A long quiet volcano in Ethiopia has roared back to life, blasting ash roughly 9 miles into the sky and catching both nearby communities and scientists off guard. After an estimated 12,000 years ...

A tsunami triggered by a volcanic eruption decimated some islands of the South Pacific nation of Tonga. The crushing effect on land and infrastructure can be seen from outer space. Three of Tonga’s ...

When an undersea volcano erupted in Tonga in January, its watery blast was huge and unusual — and scientists are still trying to understand its impacts. The volcano, known as Hunga Tonga-Hunga Ha’apai ...

It was small by volcanic standards, but massive by human ones: on this day in 1980, Mount St. Helens erupted in what the ...