State volcanologists warned Friday of possible lahar flow from Mayon Volcano caused by the expected heavy rainfall ... Southern Luzon is predicted to cause continued potentially high-volume rainfall ...

LEGAZPI CITY — At least two rockfall events were recorded at Mayon Volcano, the Philippine Institute of Volcanology and Seismology (Phivolcs) said Monday, citing its 24-hour observation.

The shear line weather system affecting Southern Luzon is seen to cause the "continued potentially high-volume rainfall" over ... on major channels draining Mayon Volcano by incorporating loose ...

Phivolcs "strongly recommends increased vigilance and readiness of communities in pre-determined zones of lahar and related hazards on Mayon Volcano." State volcanologists identified the following ...