Phivolcs Releases Latest Updates About Mayon Volcano The volcanology agency Phivolcs reported that Mayon Volcano showed magmatic activity and remains under alert level 2. On Friday (July 3, 2020), the Philippine Institute of Volcanology and Seismology reported that Mt. Mayon is showing some signs of irregularities. The volcano remains under alert level 2 indicating moderate unrest. […]