File:Mt Mayon Volcanic Pyroclastic Density Hazard Map.png

Topographic map of the Mount Mayon volcano in Albay, Philippines. The map is overlaid with concentric circles denoting kilometers from the crater. The volcano's Permanent Danger Zone lies at 6 kilometers and the Extended Danger Zone lies at 7 kilometers. The southeast quadrant of the volcano is considered a High-Risk Zone following an eruption in 1984. Image was originally published by researchers at the Philippine Institute of Volcanology and Seismology and the University of the Philippines - Open University in their paper titled "Moving for safety: a qualitative analysis of affected communities’ evacuation response during the 2014 Mayon Volcano eruption."