How to Check If Your House Is Near a Fault Line
A 2-minute, step-by-step guide using PHIVOLCS FaultFinder, HazardHunterPH, and our live fault map.
Earthquake Safety: What to Do Before, During & After a Quake
Drop, Cover, and Hold On — plus go-bag essentials, a family plan, and what to do once the shaking stops.
Tsunami Safety: Warning Signs and What to Do
Shake, Drop, Roar — the natural signs, why local tsunamis give you only minutes, and how to evacuate.
The Strongest Earthquakes in the Philippines Since 2020
From the 2026 magnitude 7.8 Sarangani quake to the 2020 Masbate quake — the biggest of the decade so far, ranked.
Earthquakes in Philippine History: A Timeline of the Deadliest Quakes
From the 1645 Luzon quake and the 1863 fall of Manila to the 1976 Moro Gulf tsunami and 2013 Bohol — centuries of disasters.
Why Does the Philippines Have So Many Earthquakes?
The Ring of Fire, colliding tectonic plates, and trenches on both sides — the geology behind ~20 quakes a day.
Philippine Fault Lines Explained: The West Valley Fault & "The Big One"
The 1,200-km Philippine Fault Zone, the fault running beneath Metro Manila, and what "The Big One" actually projects.
Magnitude vs. Intensity: What the Numbers Really Mean
Why a "magnitude 6" feels very different depending on where you stand — and the PHIVOLCS Intensity Scale explained.