The map above simulates a 300-kiloton nuclear airburst over Manila, Philippines — roughly the size of a modern deployed warhead. The coloured rings show the estimated fireball, the zones of heavy, moderate and light blast damage, the reach of the thermal flash and the ionizing-radiation dose. Drag the marker or change the weapon in the full simulator to explore other scenarios.
The metropolitan area is home to about 14.9 million people — the rings above are drawn to real scale over their homes.
The marker is in Ermita, between Intramuros and Rizal Park. The 1.9 km zone of total destruction covers Intramuros, the Manila City Hall, Rizal Park, the port's southern piers and the Malate hotel strip; the 4.7 km collapse ring reaches Binondo, Quiapo, Malacañang Palace, the Cultural Center and Paco. Third-degree burns extend to about 7.5 km over Tondo — among the most crowded districts in the world — Sampaloc, Santa Ana and Pasay; the 14.5 km ring of broken windows reaches Makati's business district, Quezon City's southern edge, Caloocan and the airport.
Metro Manila has about 15 million people, and the city of Manila proper averages more than 40,000 per square kilometre, the highest of any city in this list. Manila Bay to the west absorbs part of the blast; the rest of the metropolis is flat and continuous. The Philippines has no nuclear weapons. The casualty figures on this page come from the method on the methodology page.
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