The map above simulates a 300-kiloton nuclear airburst over Bogotá, Colombia — 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 11.5 million people — the rings above are drawn to real scale over their homes.
The marker is in Chapinero, the commercial and residential heart north of the historic centre. The 1.9 km zone of total destruction covers the Zona Rosa, Chapinero Alto and the Calle 72 financial corridor; the 4.7 km collapse ring reaches the Parque de la 93, Teusaquillo, the Javeriana University and the eastern hills' lower slopes. Third-degree burns extend to about 7.5 km over the city centre's northern edge, El Campín stadium, Usaquén's southern part and Barrios Unidos; the 14.5 km ring of broken windows reaches La Candelaria, the Plaza de Bolívar, El Dorado airport's approach, Suba and Engativá.
About 11 million people live in the Bogotá savanna at 2,600 metres, where the thinner air stretches blast radii slightly. The Cerros Orientales rise 500 metres directly east of the marker and would completely shadow the slopes behind them — switch on terrain shadows to see it. Colombia is part of the Latin American nuclear-weapon-free zone; see Nuclear arsenals.
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