A volcano that erupted after being asleep for more than 100,000 years is leading more volcanologists to say we must redefine ...

Mount Fuji's ground is swelling up to two centimeters during heavy rains, a phenomenon not linked to magma. Scientists ...

Campi Flegrei is speeding toward a transition, which will either cause an eruption or a change to its underground magma chamber.

Six volcanoes in far eastern Russia are now erupting following the 8.8 magnitude earthquake and aftershocks that shook the region last week. Klyuchevskaya erupted first, on July 30. It had already ...

A volcano near Alaska’s most populous city could be on the brink of eruption after showing signs of unrest over the past 10 months, according to experts. Hundreds of small earthquakes have occurred ...

For a split second, a fireball outshone the rivers of molten lava flowing from the Philippines’ most active volcano.