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 ...

The Philippine Institute of Volcanology and Seismology (Phivolcs) on Thursday reported heightened activity at Mayon Volcano, recording 222 volcanic earthquakes, 317 rockfall events, and 63 pyroclastic ...

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 ...

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 ...

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.

Satellite photos have captured a glowing "river of fire" flowing down the flanks of Mount Etna during an explosive outburst that also unleashed a giant plume of ash, smoke and volcanic gases high ...

Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky.But the defining event of Monday’s eruption was the ...

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, ...

ROME -- A giant explosion from an Italian volcano sent locals and tourists running for cover on Wednesday. Stromboli, a volcano located on a small island off the coast of Sicily, erupted, sending a ...