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D3.js · Canvas · Philippines · 2024

Ring
of Fire

18,139 earthquakes.
One archipelago.
One year.

By Ryan Liwag · Data: PHIVOLCS

The Philippines is a nation of 7,641 islands. It is also a nation perched on the Pacific Ring of Fire — a 40,000-kilometer arc of fault lines and volcanoes encircling the Pacific Ocean. While the news fixates on "The Big One," a singular catastrophic event, the real story of our seismicity is more constant, more intricate, and more human.

This is a portrait of 2024 — every recorded earthquake, mapped, sorted, and brought to life. Not a warning. A reckoning with what is already here.

Philippines Earthquakes 2024 — PHIVOLCS
PHIVOLCS
Shallow < 70 km Mid 70–300 km Deep > 300 km
01 / 05

01

A Nation in Constant Motion

Every dot is a recorded earthquake — 18,139 in total, roughly 50 per day, every day of 2024. This is not a crisis year. This is normal for an archipelago wedged between four tectonic plates.

02

18,139 Events. One Year.

Laid flat, the sheer count becomes visceral. The Philippines sits at the convergence of the Pacific, Philippine Sea, Eurasian, and Indo-Australian plates. No other country straddles so many active boundaries at once.

03

The Silent 80%

Sorted by magnitude, the picture splits sharply. Over 14,000 events — in grey — registered below magnitude 3.0. Micro-tremors too faint to feel, yet each one a reminder that the ground beneath is never truly still.

04

Depth Tells the Real Story

The remaining 3,500+ quakes — magnitude 3.0 and above — are colored by depth. Shallow quakes (amber, < 70 km) cause the most damage. Intermediate events (blue, 70–300 km) are felt across wider areas. Deep quakes (coral, > 300 km) rumble from the mantle. Circle size tracks magnitude.

05

Where the Earth Breaks

Plotted on the map, fault lines emerge. Mindanao bears the heaviest load, straddling the Philippine Trench. Shallow amber clusters mark the most dangerous zones — where ruptures hit closest to the surface. The geography is predictable. The timing, never.

What this means

Preparedness isn't a plan.
It's a culture.

18,139 Total earthquakes, 2024
~80% Below magnitude 3.0 — imperceptible
6.2 Largest event — June, off Davao Occidental
50/day Average daily seismic events

For Filipinos, earthquakes are not an emergency — they are a fact of daily life. The 18,139 events of 2024 are not an anomaly. They are the baseline. Our preparedness cannot be a panicked reaction to a headline; it must be a national culture of constant readiness, woven into how we build, how we teach, and how we live.

Data: Philippine Institute of Volcanology and Seismology (PHIVOLCS), 2024 full catalog. 18,139 events visualised. Story built with Svelte, D3.js, HTML Canvas.

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