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 ...

There is no current danger to the population after a pyroclastic flow on Italy’s Mount Etna produced a huge plume of ash Monday, sending tourists running. The flow moved away from a group of tourists ...

Volcanologist Professor Chris Jackson discovers evidence of the deadly pyroclastic flow. Volcanologist Professor Chris Jackson reveals the power of the deadly pyroclastic flow that had swept through ...

Pyroclastic flows are some of the most fearsome hazards posed by erupting volcanoes. These avalanches of superheated ash, gas, and rock are responsible for some of the most famous volcanic disasters ...

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 ...

MANILA, Philippines — A surge in pyroclastic density currents has been detected at Mayon Volcano in Albay in the past 24 hours, although these do not indicate escalation to a stronger eruptive phase, ...

While the town around him was engulfed by searing pyroclastic flows, one man achieved the impossible from a prison cell with a single ventilation shaft. Here’s how he did it. While humans have adapted ...

Mount Seme­ru in East Java erupted nine times, with the latest eruption sending an ash column up to 800m above its summit and triggering pyroclastic flows that travelled 3.5km down its southeastern ...

MANILA, Philippines — State volcanologists yesterday detected a collapse of lava deposits on the summit crater of Mayon Volcano in Albay, which generated incandescent lava flows and pyroclastic ...

MANILA, Philippines — Since showing increased activity earlier this year, Mayon Volcano generated its "largest" pyroclastic density current so far, with an ash plume reaching up to 1,000 meters on ...