Nuclear Blast City Scenarios
100 pre-computed scenarios for major world cities. Each page calculates the fireball, blast zones, thermal radiation, and population impact for four representative weapons (Little Boy 15 kt, W76 100 kt, Castle Bravo 15 Mt, Tsar Bomba 50 Mt) detonated over the city.
How this section is organized
Cities are grouped by region and sorted by metropolitan population. Click any city to see its full scenario page, or use the interactive simulator to place any weapon over any location worldwide.
For per-bomb-per-city pages (e.g. Tsar Bomba on New York), see the scenarios catalog.
North America
Mexico City
Mexico · 9.2M people · 6,000/km²
New York
USA · 8.3M people · 10,000/km²
Los Angeles
USA · 3.9M people · 3,200/km²
Toronto
Canada · 2.8M people · 4,500/km²
Chicago
USA · 2.7M people · 4,700/km²
Houston
USA · 2.3M people · 1,500/km²
Phoenix
USA · 1.6M people · 1,300/km²
Philadelphia
USA · 1.6M people · 4,500/km²
San Francisco
USA · 873K people · 7,300/km²
Seattle
USA · 750K people · 3,400/km²
Denver
USA · 715K people · 1,900/km²
Boston
USA · 695K people · 5,400/km²
Washington DC
USA · 690K people · 4,300/km²
Vancouver
Canada · 675K people · 5,500/km²
Atlanta
USA · 500K people · 1,400/km²
Miami
USA · 442K people · 4,500/km²
Europe
Moscow
Russia · 12.6M people · 4,900/km²
London
United Kingdom · 9.0M people · 5,500/km²
Berlin
Germany · 3.7M people · 4,100/km²
Madrid
Spain · 3.3M people · 5,300/km²
Kyiv
Ukraine · 3.0M people · 3,400/km²
Rome
Italy · 2.8M people · 2,300/km²
Paris
France · 2.2M people · 21,000/km²
Vienna
Austria · 1.9M people · 4,700/km²
Hamburg
Germany · 1.9M people · 2,400/km²
Warsaw
Poland · 1.8M people · 3,400/km²
Budapest
Hungary · 1.8M people · 3,300/km²
Barcelona
Spain · 1.6M people · 16,000/km²
Munich
Germany · 1.5M people · 4,800/km²
Milan
Italy · 1.4M people · 7,700/km²
Brussels
Belgium · 1.2M people · 7,400/km²
Stockholm
Sweden · 975K people · 5,200/km²
Amsterdam
Netherlands · 873K people · 5,200/km²
Copenhagen
Denmark · 660K people · 7,400/km²
Dublin
Ireland · 595K people · 4,800/km²
Lisbon
Portugal · 545K people · 6,500/km²
Asia
Chongqing
China · 31.0M people · 380/km²
Shanghai
China · 24.9M people · 3,900/km²
Beijing
China · 21.5M people · 1,300/km²
Guangzhou
China · 18.7M people · 2,500/km²
Shenzhen
China · 17.6M people · 8,800/km²
Delhi
India · 16.8M people · 11,000/km²
Karachi
Pakistan · 16.1M people · 24,000/km²
Kolkata
India · 14.8M people · 24,000/km²
Tokyo
Japan · 14.0M people · 6,300/km²
Lahore
Pakistan · 13.0M people · 7,000/km²
Bangalore
India · 13.0M people · 11,000/km²
Mumbai
India · 12.5M people · 21,000/km²
Chennai
India · 11.0M people · 26,000/km²
Jakarta
Indonesia · 10.8M people · 16,000/km²
Bangkok
Thailand · 10.7M people · 5,300/km²
Hyderabad
India · 10.0M people · 18,000/km²
Seoul
South Korea · 9.8M people · 16,000/km²
Ho Chi Minh City
Vietnam · 9.0M people · 4,400/km²
Dhaka
Bangladesh · 9.0M people · 23,000/km²
Hong Kong
China · 7.5M people · 7,100/km²
Singapore
Singapore · 5.9M people · 8,300/km²
Hanoi
Vietnam · 4.6M people · 2,400/km²
Busan
South Korea · 3.4M people · 4,400/km²
Pyongyang
North Korea · 3.3M people · 4,500/km²
Osaka
Japan · 2.7M people · 12,000/km²
Taipei
Taiwan · 2.6M people · 9,700/km²
Nagoya
Japan · 2.3M people · 7,100/km²
Manila
Philippines · 1.8M people · 46,000/km²
Kuala Lumpur
Malaysia · 1.8M people · 7,400/km²
Islamabad
Pakistan · 1.0M people · 1,900/km²
Middle East
Istanbul
Turkey · 15.5M people · 2,900/km²
Tehran
Iran · 9.3M people · 11,900/km²
Riyadh
Saudi Arabia · 7.7M people · 4,500/km²
Baghdad
Iraq · 7.2M people · 17,800/km²
Amman
Jordan · 4.0M people · 5,400/km²
Dubai
UAE · 3.6M people · 950/km²
Abu Dhabi
UAE · 1.5M people · 510/km²
Doha
Qatar · 1.4M people · 1,100/km²
Kuwait City
Kuwait · 600K people · 4,000/km²
Tel Aviv
Israel · 467K people · 8,900/km²
South America
São Paulo
Brazil · 12.3M people · 7,400/km²
Lima
Peru · 9.8M people · 3,300/km²
Bogotá
Colombia · 7.4M people · 4,300/km²
Santiago
Chile · 6.8M people · 8,500/km²
Rio de Janeiro
Brazil · 6.7M people · 5,300/km²
Buenos Aires
Argentina · 3.1M people · 14,500/km²
Salvador
Brazil · 2.9M people · 3,700/km²
Caracas
Venezuela · 2.1M people · 4,400/km²
Quito
Ecuador · 1.8M people · 4,400/km²
Montevideo
Uruguay · 1.3M people · 2,700/km²
Africa
Lagos
Nigeria · 15.4M people · 13,400/km²
Cairo
Egypt · 9.5M people · 19,000/km²
Johannesburg
South Africa · 5.6M people · 2,400/km²
Addis Ababa
Ethiopia · 5.5M people · 5,200/km²
Nairobi
Kenya · 4.7M people · 6,200/km²
Cape Town
South Africa · 4.6M people · 1,500/km²
Casablanca
Morocco · 3.7M people · 11,200/km²
Algiers
Algeria · 3.5M people · 5,300/km²
Accra
Ghana · 2.4M people · 12,000/km²