Some volcanoes erupt with little to no warning, posing serious risks to nearby communities and air traffic. A study of Alaska ...

The seismic activity went on to last more than 2,000 days, spewing fury from a vent in the earth’s crust and birthing countless new volcanoes, including Caldera Blanca. Today, the caldera’s ...

The Japan Meteorological Agency plans to issue ashfall warnings and advisories in the event of an eruption on any of the country’s 111 active volcanoes, including Mount Fuji. JMA officials ...