Philippine Institute of Volcanology (Phivolcs) raised to the people around the Mount mayon to be prapared because Philvolcs raised the level at 5! we have here the map which indicates municipalities that might be affected if a hazardous eruption were to occur --ranging from the "permanent danger zone" within 6km of the volcano's crater, to the "high risk zone" beyond 8km from the crater.
Documentary on mount mayon