Rain

Landslide and Flood Vulnerability: 9,369 Philippine Barangays at Risk

Strategic Insights

Jul 23, 2025 — 1 min read

Heavy rainfall is expected to impact several regions in the Philippines, with the Department of Environment and Natural Resources (DENR) identifying 9,369 barangays as vulnerable to landslides and floods. A total of 3,009 barangays have been classified as "very highly susceptible" to geohazards, with Central Luzon topping the list with 1,986 barangays. Rainfall is expected to be heaviest in the provinces of Antique, Occidental Mindoro, and Zambales, where over 80 percent of barangays are at risk.

Key Takeaways:

9,369 barangays are identified as vulnerable to landslides and floods, with 3,009 classified as "very highly susceptible".
The most vulnerable regions include Cagayan Valley (1,172 barangays), Mimaropa (247 barangays), Bicol (901 barangays), and Western Visayas (689 barangays).
In the National Capital Region, 1,403 barangays are at risk, with Manila (786 barangays), Quezon City (138 barangays), Pasay (119 barangays), and Makati (32 barangays) being amongst the most vulnerable.
Over 80 percent of barangays in Antique, Occidental Mindoro, and Zambales are at risk due to expected heavy rainfall.
Local officials have been advised to implement preemptive evacuation and monitor geohazard-prone areas, particularly those near slopes, rivers, and creeks.
Clearing of debris and obstructions in rivers and other waterways is encouraged to reduce the risk of overflowing.

Statistics:

9,369 barangays are identified as vulnerable to landslides and floods.
3,009 barangays are classified as "very highly susceptible".
Central Luzon has 1,986 barangays at risk, the highest number of any region.
Rainfall is expected to be heaviest in the provinces of Antique, Occidental Mindoro, and Zambales.
Over 80 percent of barangays in these provinces are at risk due to heavy rainfall.

Sources:

Philippine STAR, "9,369 barangays identified as vulnerable to landslides and floods"
Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) rainfall forecast
DENR-MGB advisory on landslide and flood susceptibility
Department of Environment and Natural Resources (DENR) website

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