Philippines authorities began evacuating people near Mount Mayon Friday as increasing activity indicates a violent eruption is possible. Photo: Kristin Moral/AFP via Getty Images ...

The phreatic eruption generated a booming sound, rockfall, pyroclastic density currents or PDC and a 1,200 meter-tall plume that drifted to the southwest. Mayon Volcano remains at Alert Level 2.

LEGAZPI, Philippines--A gentle eruption of the Philippines’ most ... communities within a 6-kilometer (3.7-mile) radius of the Mayon volcano’s crater since volcanic activity spiked last ...