nuclear-explosion-radius-statistics

Nuclear Explosion Destruction Statistics

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1 Megaton Air-Burst Blast Effective RadiusMiles from Hypocenter
An air-burst is a bomb explosion that occurs in the air. An air-burst blast’s overpressure is spread out over a larger area and can cause twice as much destruction because they cover twice the area.
Complete Destruction2.8 miles
Severe Damage2.8 – 4.1 miles
Moderate Damage4.1 – 7.3 miles
Light Damage7.3 – 11.2 miles
500 Kiloton Nuclear Ground Blast Effective RadiusMiles from Hypocenter
Complete Destruction1.5 mile
Severe Damage1.5 – 2.2 miles
Moderate Damage2.2 – 3.6 miles
Light Damage3.6 – 5.8 miles
Peak wind velocity670 mph
Peak overpressure30 psi
Duration of overpressure blast18.6 seconds
200 Kiloton Air-Burst Blast Effective RadiusMiles from Hypocenter
Complete Destruction1.6 mile
Severe Damage1.6 – 2.4 miles
Moderate Damage2.4 – 4.3 miles
Light Damage4.3 – 6.5 miles
500 Kiloton Air-Burst Blast Effective RadiusMiles from Hypocenter
Complete Destruction2.2 mile
Severe Damage2.2 – 3.2 miles
Moderate Damage3.2 – 5.8 miles
Light Damage5.8 – 8.8 miles
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Overpressure Damage from 500-KT Air-BurstMiles AwayOverpressure (psi)Wind Velocity (mph)
Lethal1 miles30670
Lung Damage Threshold2 miles15395
Eardrum Failure Threshold2 miles15 - 20395 - 500
Impact Lethality Threshold *4 miles3.3120
Impact Skull Fracture Threshold and Serious Glass Wound Threshold *5 miles2.395
Impact Injury Threshold *1 miles1.860
Skin Lacerations from Glass Fragments Threshold **8.9 miles135
* For impact or death to occur at the stated overpressure, the body must be thrown at least 10 feet before impact. Otherwise, a higher overpressure is required to achieve necessary velocity.** Glass fragments must also travel at least 10 feet
The Hiroshima atomic bomb was approximately 15 kilotons of TNT dynamite
A 1 Megaton bomb equals 1,000,000 tons of TNT dynamite
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Statistic Sources & References
Sources: Nuclear Attack Environment Handbook, FEMA, Oak Ridge National Laboratories
Content Author: Statistic Brain

Date research was conducted: September 20, 2017

Nuclear Explosion Destruction Statistics

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