MANILA, Philippines — Mayon Volcano in Albay spewed an ash plume that rose more than 1,600 meters above its summit on Tuesday morning, the Philippine Institute of Volcanology and Seismology (Phivolcs) said. Phivolcs said the ash emission occurred from 8:22 a.m. to 8:25 a.m. “This event generated a plume that rose 1600 meters above the