Surveys OCTA Research Team Metro Manila Coronavirus diseases statistics Volcanic activity prediction Philippines. Department of Social Welfare and Development Social Weather Stations Coronavirus diseases Philippines. Department of Environment and Natural Resources Philippine Institute of Volcanology and Seismology Taal Volcano (Batangas) Mayon Volcano (Albay) Filipinos Angat Dam Earthquakes Rating of Public opinion Philippine Atmospheric, Geophysical and Astronomical Services Administration Marcos, Ferdinand R., Jr Water supply Pulse Asia COVID-19 Water levels Statistics Philippines. Department of Agriculture Metro Manila Philippines Quarantine Philippines. Department of Health Carpio, Sara Duterte