Continued lava dome growth and lava flow effusion were observed at Mayon Volcano from 12 a.m. on Jan. 14 to 12 a.m. on Jan. 15, the Philippine Institute of Volcanology and Seismology (Phivolcs) said. Phivolcs also recorded a total of 207 rockfall events and 27 pyroclastic density currents, locally...