A 4-kilometer pyroclastic flow raced down Mayon volcano’s Mi-isi Gully in June 2026, marking the farthest-reaching flow of its current eruption. The Philippine Institute of Volcanology and Seismology ...

Watch the warning sirens sound as a dangerous pyroclastic flow races down Indonesia's Mount Semeru. The dramatic footage captures one of the volcano's most hazardous eruptions, with scorching clouds ...

A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ...

Pyroclastic density currents (PDCs) are high-energy, ground-hugging flows of hot gas and fragmented volcanic material that pose one of the greatest lethal volcanic hazards. Their dynamics are governed ...