Furthermore, the public is also reminded that the entire volcano island is a permanent danger zone
and permanent settlement is strictly prohibited.
Phivolcs reminded the public to keep out of the six-kilometer permanent danger zone
around the volcano and the seven-kilometer extended danger zone in the south-southwest to east-northeast sector, as sudden explosions, lava collapses, pyroclastic density and ashfall could still occur and threaten areas in the upper to middle slopes.
" It also reminded local government units and residents near the volcano that entry to the 4-kilometer Permanent Danger Zone
around the volcano should be avoided.
He said the DENR action and President Duterte's order concurring Mayon's permanent danger zone
as a no man's land during his Legazpi visit last February.
Despite the risks, some villagers are returning to their homes within the six-kilometer permanent danger zone
to check on animals and crops.
"Mayon is exhibiting relatively high unrest and that magma is at the crater and that hazardous eruption is possible within weeks or even days. It is therefore recommended that the 6-km radius Permanent Danger Zone
(PDZ) and a 7-km Extended Danger Zone (EDZ) on the southern flank be enforced due to the danger of rockfalls, landslides and sudden explosions or dome collapse that may generate hazardous volcanic flows.
"The public is strongly advised to be vigilant and desist from entering the six-kilometre radius permanent danger zone
to minimise risks from sudden explosions, rockfall and landslides."
There is a four-mile permanent danger zone
around the volcano.
"The public is strongly advised not to enter [the 4-kilometre permanent danger zone
around the volcano] because it may be affected by sudden steam explosions," it said.
By Monday, the Casiguran Disaster Risk Reduction and Management Council had already evacuated 34 families from the Casiguran town who were living near the designated permanent danger zone
''The public is strictly prohibited to enter the 4-kilometer Permanent Danger Zone
,'' it said.