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 ...

A lava collapse at Mayon Volcano in the Philippines triggered a fast-moving pyroclastic flow on May 13, sending a volcanic ...

Mayon volcano unleashed its most intense activity in months on May 8, 2026, sending lava flows as far as 3.8 kilometers down ...

Dhaka, May 6 -- Shiveluch, one of the most active volcanoes on Russia's Kamchatka Peninsula and the northernmost active volcano in the region, continues to show near-daily volcanic activity, according ...

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 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 ...

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 ...

Semeru volcano — the tallest volcano on Java at 3,676 meters — erupted on the afternoon of November 19, 2025, with pyroclastic flows racing at high speed more than 8.5 kilometers down its slopes, as ...