A powerful volcanic eruption in Indonesia sent residents fleeing as Mount Semeru released a towering ash column and pyroclastic flow - a fast-moving, superheated cloud of dense volcanic gas, ash and ...

Pyroclastic density currents (PDCs) represent some of the most formidable and complex volcanic phenomena, characterised by a turbulent mixture of solid particles and gases that surge down slopes at ...

MILAN, Italy — Mt. Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke high into the sky. But the defining event of Monday’s ...

Scientists compare volcanic cones on Earth and Mars to explain how gas-rich magma forms scoria cones. Spacecraft observations and Earth analog sites provide evidence of similar eruptive processes.

Dozens of people have died, hundreds are missing and many more homes were destroyed after separate volcanic eruptions in ...

A lava effusion with lava flow and 29 volcanic earthquakes was reported at Mayon Volcano over the past 24 hours, according to the Philippine Institute of Volcanology and Seismology (PHIVOLCS) on ...

The investigative minds at How to Survive profile the supersonic heat and suffocating ash clouds of a pyroclastic flow to find the only path to safety.

Aerial view of Crater Lake in Oregon, a collapse caldera formed by one of the largest volcanic eruptions in the past 8,000 years. A detailed survey of the volcanic deposits found offshore Japan ...

LEGAZPI CITY, Philippines – Thousands of people have evacuated regions surrounding the Mayon Volcano in the Philippines as the mountain continues to spew lava and show increasing signs of unrest.

In 1997, the Soufrière Hills volcano erupted on the Caribbean island of Montserrat, sending massive pyroclastic flows racing toward the capital city of Plymouth. Within hours, large parts of the city ...