Mayon posted a minor Strombolian activity in the last 24 hours, the Philippine Institute of Volcanology and Seismology said on Thursday, Nov. 12.
PHIVOLCS said also monitored in the volcano, which remains under alert level 3, were 20 volcanic earthquakes and four rockfall signals.
Sulfur dioxide flux was pegged at 2036 tons per day.
A plume that rose 200 meters from the crater was also seen.
Because of the developments, PHIVOLCS reiterated its recommended ban on the entry into the 6-kilometer radius Permanent Danger Zone.
The flying of aircraft above the volcano should also be prohibited, PHIVOLCS said.
It said rockfall, moderate explosions, among others, were possible.
