LEGAZPI CITY, ALBAY, Philippines — Loud rumbling sounds caused by frequent Strombolian eruptions (moderate bursts of gases that eject clots of incandescent lava) from Mayon Volcano have alarmed residents living near the volcano, with some saying it has been disrupting their sleep. Nilda Lomibao-Enriquez, 48, of Barangay Anoling in Camalig town, said they usually hear
