Guatemala's Santiaguito volcano unleashes two explosive eruptions accompanied by two dangerous pyroclastic flows. Dense ...

An eerie roaring sound accompanies a powerful pyroclastic flow descending the slopes of Indonesia's Semeru Volcano. The ...

Avalanches of ash, gas and rock that cascade downhill during volcanic eruptions may be even more dangerous than scientists had realized. Pulses of high pressure form within these slides, known as ...

Pyroclastic surges are lethal hazards from volcanoes that exhibit enormous destructiveness through large dynamic pressures of 100–102 kilopascal inside flows that are capable of obliterating ...

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Mount Sinabung in Indonesia has been exploding with ash and debris since early June, now in its fifth year of activity since the long-dormant volcano came back online after hundreds of years of ...