Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. How and if a volcano explodes depends on how and when bubbles of ...

KILAUEA VOLCANO, Hawaii -- A Utah tourist captured video of an exploding volcano in Hawaii that sent molten lava and rocks flying through the air. Diane Ririe, who was visiting her parents in ...

Tourists climbing Guatemala’s Fuego Volcano had to make a run for their lives after it began erupting.

Nearly 600 years ago, a massive volcanic eruption sent clouds of sulfurous gas and ash high into the atmosphere. The blast known as the 1458/59 CE event was so huge that it triggered decades of ...

A funnel cloud of spinning ash was caught on camera over the weekend, whirling around an eruption from the Kilauea volcano in Hawaii. Kilauea, located in Hawai'i Volcanoes National Park, experienced a ...

There are very few places on Earth where you can watch new land being formed. Two of the planet's most active volcanoes — Kilauea and Mauna Loa — are in Hawaii Volcanoes National Park on the Big ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...