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 — 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 ...

Mount Semeru erupted on Wednesday with pyroclastic flows and seismic tremors. Authorities maintain a Level III Alert.

TEMPO.CO, Jakarta – Indonesia’s Geological Agency has reported that volcanic activity at Mount Semeru, the highest volcano on ...

The Philippine Institute of Volcanology and Seismology (Phivolcs) said Mayon Volcano continued to release incandescent ...

MANILA, Philippines — Mayon Volcano in Albay remained under Alert Level 3 as it recorded a total of 162 rockfall events, 50 pyroclastic density currents (PDCs), and one volcanic earthquake over the ...

A powerful volcanic eruption in Indonesia sent residents fleeing as Mount Semeru released a towering ash column and pyroclastic flow - a fast-moving, superheated cloud of dense volcanic gas, ash and ...

LEGAZPI CITY, Philippines – Thousands of people have evacuated regions surrounding the Mayon Volcano in the Philippines as the mountain continues to spew lava and show increasing signs of unrest.

ANCHORAGE, Alaska (AP) - Ash from a steadily erupting volcano in south-central Alaska wafted slowly toward the southern Kenai Peninsula and grounded flights to and from Kodiak Island on Monday.

The eruption and volcanic material sedimentation processes of giant caldera eruptions are not well understood, making it also difficult to estimate their size. Kobe University researchers used seismic ...