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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A powerful volcanic eruption in Indonesia sent residents fleeing as Mount Semeru released a towering ash column and pyroclastic ...

A column of ash from the eruption of Mount Semeru on Tuesday evening, April 7, 2026, reached a height of two kilometers above the peak.

Mount Etna’s craters continue to smoulder two days after its largest eruption in four years sent tourists fleeing from a vast column of gas and ash on Monday. Tourists have returned to the slopes of ...

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 ...

The eruption and volcanic material sedimentation processes of giant caldera eruptions are not well understood, making it also difficult to estimate their size. Kobe University researchers used seismic ...