THE Philippine Institute of Volcanology and Seismology (Phivolcs) revealed on Friday that it is closely observing the low-level activities of Taal Volcano in Batangas province before it decides to raise its current alert status to Level 2.
THE chief of the Philippine Institute of Volcanology and Seismology (Phivolcs) warned on Monday that the effusive activity of the Mayon Volcano in Albay Province may transition to a hazardous or explosive eruption.