(Eagle News)–Increased lava effusion was monitored in Mayon on Saturday evening, the Philippine Institute of Volcanology and Seismology said. PHIVOLCS said the effusion at the volcano, which remains under alert level 3, began at 10:10 p.m. It included an “abrupt intensification of incandescence” at the summit crater, and was followed by lava flow and rockfall at the Miisi and Bonga gullies. In its regular advisory, PHIVOLCS said 70 volcanic earthquakes including 65 volcanic tremors lasting […]