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 ...

MANILA, Philippines — The Mayon Volcano is exhibiting signs of increasing unrest, with bright red magma and glowing pyroclastic density currents called "uson" continuing to stream from its summit as ...

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 ...

At least 330 people were evacuated on Thursday in Guatemala following an eruption of the Fuego volcano, located 35 km from the capital, according to the civil protection agency, which declared an ...

MANILA, Philippines — A new dark lava dome emerged at Mayon Volcano Thursday morning, January 8, as the volcano released lava and pyroclastic density currents that demonstrated the volcano’s rising ...