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Nevada Test Site nuclear blast radius
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The Nevada Test Site hosted most US atmospheric and underground tests. This page uses a 15 kt airburst as a typical atmospheric-test scale, not a specific shot name.
Open Nevada Test Site 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 | 0 |
|---|---|
| Estimated injuries | 0 |
| Residents inside 1 psi | 0 |
What the rings cover
Rings sit on desert basin and test areas. 1 psi does not reach Las Vegas in this 15 kt scenario. WorldPop inside the disks is sparse compared with any city page.
Las Vegas is often the comparison people want. At 15 kt, Las Vegas sits far outside 1 psi in this model. Larger shots and later underground tests are a different story this page does not catalogue.
Downwind fallout from atmospheric testing is documented history. The globe’s fallout overlay is not that archive; it is a simplified local contour around the pin.
Trinity is the first US test; Nevada is the industrial test range that followed. Read them as a pair.
Related pages
Trinity Site · Semipalatinsk · Los Angeles · Little Boy
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City index · Historic sites · Weapon yields
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