PHIVOLCS raised Mayon Volcano to Alert Level 3 as it continues to register volcanic activity.
PHIVOLCS added that they recorded a rockfall event in the said volcano.
Low-level volcanic earthquakes were also recorded, indicating volcanic gas activity.
Due to the abnormalities shown by the volcano, PHIVOLCS raised the 6 kilometer-radius permanent danger zone as well as the 7 km-radius extended danger zone in the southeast part of the volcano due to threats of rockfall, landslide and sudden eruption.
Local governments are asking more than 10, 000 residents to evacuate.
