An ongoing pyroclastic density current (PDC) event, locally known as uson, was recorded at Mayon Volcano on Sunday afternoon, according to the Philippine Institute of Volcanology and Seismology ...
A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ...
For a third straight day, residents of Kagoshima City are sweeping gray-white volcanic ash from rooftops, gutters, and car ...
Add Yahoo as a preferred source to see more of our stories on Google. A lava collapse at Mayon Volcano in the Philippines triggered a fast-moving pyroclastic flow on May 13, sending a volcanic plume ...