Philippine Institute of Volcanology and Seismology (DOST-Phivolcs) has recorded the largest pyroclastic density current (PDC) since January, causing heavy ashfall that has affected 32 barangays in ...

YAMAGUCHI—An eruption of Mount Aso in Kumamoto Prefecture 90,000 years ago created a pyroclastic flow that traveled 170 kilometers north to the Sabagawa river here, the longest such distance recorded ...

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 ...

Scientists have discovered that the scorching material spewed from a volcano during eruptions generates a layer of air between it and the ground, allowing it to surf along at extreme speeds, ...

NEGROS ISLAND – Negros Occidental authorities advised the public to beware of pyroclastic flows and ashfall caused by the explosive eruption of Kanlaon Volcano at past 4 p.m. on Thursday. According ...

After an eruption, DIY cushions of gas help searing torrents of gas, ash, and rock spread miles from their source within a matter of minutes. Pyroclastic flows contain a deadly combination of hot rock ...

Volcanoes are increasingly recognized as agents and recorders of global climate variability, although deciphering the linkages between planetary climate and volcanism is still in its infancy. The ...

Volcanoes are notoriously deadly, but there’s no more frightening a way to meet your own personalized doom than via a pyroclastic flow. These fast-moving ferocious fires look more like summoned demons ...