Prague city centre sits 281.5 km from Berlin government quarter, the most plausible strategic target in the area (high targeting confidence). Modelled strike: 300 kt airburst.
Estimated survival chance at city centre: 99% · Estimated metro fatalities: 141.4K, injuries: 170.3K
What a strike on Berlin government quarter would mean
A 300 kt detonation produces a fireball 646 m across in radius. Reinforced concrete fails out to 2.3 km (20 psi). Most residential buildings collapse within 4.6 km (5 psi), and windows shatter dangerously out to 10.4 km (1 psi). Anyone in line of sight within 6.9 km suffers third-degree burns from the thermal pulse.
An airburst maximises blast damage but produces minimal local fallout, so for Prague the dominant risks are blast and thermal effects rather than radiation.
Most plausible targets near Prague
| Target | Type | Distance | Assumed yield | Confidence |
|---|---|---|---|---|
| Berlin government quarter | government | 282 km | 300 kt | high |
| Vienna | city | 251 km | 150 kt | low |
| Frankfurt (ECB / banking) | city | 411 km | 300 kt | medium |
| Frankfurt Airport | airport | 419 km | 150 kt | medium |
| Aviano Air Base, Italy | military | 470 km | 300 kt | high |
Key blast radii (300 kt airburst)
| Effect | Radius | What happens |
|---|---|---|
| Fireball | 646 m | Complete vaporisation |
| 20 psi blast | 2.3 km | Hardened structures destroyed, ~100% fatalities |
| 5 psi blast | 4.6 km | Most buildings collapse, widespread fatalities |
| 3rd-degree burns | 6.9 km | Full-thickness burns to exposed skin |
| 500 rem radiation | 2.4 km | Lethal dose without medical care |
| 1 psi blast | 10.4 km | Window breakage, light damage, glass injuries |
How Prague can prepare
With a population density of 2,700 people/km², Prague's outcome would hinge on the first hour. The guidance is identical everywhere: get inside, stay inside, stay tuned. A basement or the core of a large concrete building cuts fallout exposure by a factor of 10 or more, and radiation decays fast — dose rates fall ~90% within the first 7 hours and ~99% within two days.
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