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Pokhran nuclear blast radius
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Pokhran hosted India’s 1974 and 1998 nuclear tests. This page uses a 15 kt airburst analog. Reported yields for those tests vary; Little Boy is a named round number in that class.
Open Pokhran in the 3D simulator
Educational estimate only. Blast and heat rings use simplified yield scaling. They ignore terrain, weather, shielding, and weapon design. Casualty counts use WorldPop 2020 residents on an approximately 1 km grid and ignore time of day, commuting, shelter, and evacuation. This is not a targeting or civil-defense tool. About the model.
| Effect | Ground range | What the model means |
|---|---|---|
| Fireball | 266 m (872 ft) | Maximum luminous radius |
| 20 psi | 839 m (2,751 ft) | Heavy destruction |
| 5 psi | 1.8 km (1.1 mi) | Most buildings collapse |
| Thermal | 2.0 km (1.3 mi) | 3rd-degree burns |
| 1 psi | 4.2 km (2.6 mi) | Windows shatter |
Casualty estimate at this pin
| Estimated deaths | 398 |
|---|---|
| Estimated injuries | 719 |
| Residents inside 1 psi | 2,510 |
What the rings cover
Rings sit on desert test range. Towns and Delhi are far outside 1 psi. WorldPop inside the disks is sparse.
Smiling Buddha (1974) is often described as around 12 kt, and the 1998 series includes disputed higher figures. This tool does not adjudicate those disputes. It shows a 15 kt disk on the desert range.
Like other test sites, the pin is in sparse land. The casualty line will not look like Delhi. Open Delhi if you want the same yield on a capital core.
Lop Nur and Nevada are the comparable national test-range pages.
Related pages
Delhi · Lop Nur · Nevada Test Site · Little Boy
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City index · Historic sites · Weapon yields
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