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Explainers, methodology deep-dives, and practical guides on Philippine property hazards. Written for the decisions that matter.
78 articles published
In Bohol, the North Bohol Fault, liquefaction risk near the coast, flooding along major rivers, and storm surge in Panglao are the hazards to screen before you commit to any property. Here is what the maps show.
Leyte province sits in one of the Philippines' most active hazard corridors. Here is what property buyers need to check before committing to any lot in the province.
Iligan City in Northern Mindanao is a growing real estate market with a flood and landslide history that every buyer should understand. Here is what the hazard layers show and what to check before you commit.
Muntinlupa sits at the southern tip of Metro Manila, with Laguna de Bay to the east and the West Valley Fault nearby. Here is what to check before you buy.
Tagaytay is one of the most popular places to buy property near Manila, but sitting on the rim of the Taal Volcano system means the hazard picture is very different from most Philippine cities.
Bataan's coastline on Manila Bay and its rugged interior create two very different hazard profiles. Check flood, storm surge, landslide, and faults for the specific lot before you commit.
A hazard checklist for Zamboanga City buyers: active faults in the Zamboanga Peninsula, storm surge along the Basilan Strait and Moro Gulf coast, river flooding near the Tumaga River, and landslide risk in hilly barangays.
GenSan is one of Mindanao's fastest-growing cities, but flood risk, seismic hazard, and coastal exposure vary sharply across barangays. Here is what to check first.
Palawan is one of the Philippines' most sought-after property markets. Before you buy, here is what the flood, storm surge, active fault, and landslide layers show for the island.
Surigao del Norte is one of the most seismically active provinces in the Philippines. Before you buy, check the fault, liquefaction, storm surge, and landslide layers for your specific address.
Zambales sits in Mt. Pinatubo's shadow, and the rivers that lahar carved in 1991 still carry that sediment today. A guide to flood, debris flow, storm surge, fault, and landslide risk for homebuyers in Olongapo, Subic, Iba, and the Zambales highlands.
Mandaluyong is central and convenient, but the Pasig River, the West Valley Fault, and liquefaction-prone soil are three things to check before you commit.
Registered with the Bureau of Internal Revenue (BIR). RSN 045RC20220000005083.
© 2026 CheckHazard. Hazard data: UP NOAH Center/DOST, PHIVOLCS/GEM, OpenStreetMap contributors, PSA NAMRIA. CheckHazard does not replace a professional geotechnical or engineering survey.
