Predicting "a fair probability of an explosive eruption," they advised villagers within the volcanos seven-kilometer radius to get ready for evacuation.
A number of Albay residents, however, have voluntarily left their homes due to Mayons continued rumblings and explosions.
In a bulletin, the Philippine Institute of Volcanology and Seismology said the main lava flow is slowly advancing southeast toward the Bonga gully, although some small flows have been noted in the Mabinit, Miisi and Buyuan channels. Cet Dematera