Hiroshima 1945 Blast Radius & Yield Physics Visualizer

Historical Presets

Yield Physics ($Y^{1/3}$ Scaling)

Detonation Yield 15 kt

Vector Effect Contours

20 psi Overpressure (Heavy Structural Collapse)

0.60 km

5 psi Overpressure (Moderate Damage)

1.70 km

3rd-Degree Thermal Burn Radius

1.90 km

500 rem Ionizing Radiation Zone

1.20 km

Calculated Spatial Impact

Hiroshima Little Boy (15 kt) hypocenter at 34.3955°N, 132.4536°E. 5 psi blast wave extends 1.70 km with peak wind speed of 260 km/h. Estimated historical casualty count: ~135,000.

Radial Distance Inspector

Distance from Hypocenter

1.20 km

Overpressure vs Distance (psi)

Overpressure: 10.2 psi

Peak Wind Velocity: 470 km/h

Thermal Fluence: 18.4 cal/cm²