MANILA (Philippine Daily Inquirer/Asia News Network): Mayon Volcano was placed on Alert Level 3 on Thursday (June 8) noon after the Philippine Institute of Volcanology and Seismology (Phivolcs) observed an increase in rockfall events since June 3.
Phivolcs, in a bulletin, said that the “volume of discrete rockfall events increased on June 3 based on the seismic record, signaling an increase in the rate of dome growth”.
