Vladivostok city centre sits 0 m from Vladivostok (Pacific Fleet), the most plausible strategic target in the area (high targeting confidence). Modelled strike: 300 kt surface burst.
Estimated survival chance at city centre: 0% · Estimated metro fatalities: 14.7K, injuries: 17.7K
What a strike on Vladivostok (Pacific Fleet) would mean
A 300 kt detonation produces a fireball 743 m across in radius. Reinforced concrete fails out to 1.8 km (20 psi). Most residential buildings collapse within 3.7 km (5 psi), and windows shatter dangerously out to 8.3 km (1 psi). Anyone in line of sight within 6.9 km suffers third-degree burns from the thermal pulse.
Because military and hardened targets are typically attacked with surface bursts, fallout matters here: with prevailing winds the dangerous plume would stretch roughly 86 km east of ground zero. Vladivostok city centre lies inside that projected corridor — sheltering indoors for 24–48 hours would be critical.
Most plausible targets near Vladivostok
| Target | Type | Distance | Assumed yield | Confidence |
|---|---|---|---|---|
| Vladivostok (Pacific Fleet) | military | 0 km | 300 kt | high |
| Yongbyon Nuclear, DPRK | energy | 628 km | 150 kt | high |
| Pyongyang | government | 683 km | 300 kt | high |
| Seoul (Yongsan / government) | government | 745 km | 300 kt | high |
| Incheon, Seoul | airport | 778 km | 150 kt | medium |
Key blast radii (300 kt surface burst)
| Effect | Radius | What happens |
|---|---|---|
| Fireball | 743 m | Complete vaporisation |
| 20 psi blast | 1.8 km | Hardened structures destroyed, ~100% fatalities |
| 5 psi blast | 3.7 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 | 8.3 km | Window breakage, light damage, glass injuries |
How Vladivostok can prepare
With a population density of 2,200 people/km², Vladivostok'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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