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Hiroshima
Nagasaki
  

In an hypothetical situation like that described in the preceding page, any form of and assistance would hardly be possible: most hospitals and sanitary facilities would have been destroyed, a great part of professionally prepared people, i.e. physicians, paramedics, policemen, firemen, civil defense officials, etc., would have perished. Roads would be obstructed by debris or wiped out from the face of the earth making relief or evacuation impossible.
o
Effect of a 10 megatons nuclear bomb detonated on the ground
 
Distance
(km)
Effect
2.4
  Crater's diameter on soft soil.
 
3,2
 Diameter of the fireball.
 
4,8
 Exposed people killed by the shockwave.
 
6,4
Underground shelters damaged.
 
8
Steel bridges collapse.
12,8
 Cars and trucks swept away by the shockwave.
19,3
Buildings destroyed or seriously damaged by the shockwave.
28,9
Exposed skin charred.
32,2
Buildings damaged by the shockwave and possible conflagrations.
38,6
Popcorn effect on exposed skin.
46,6
Diameter of the cloud created by the explosion.
48,2
Exposed skin reddens.
 
  Population
300,000
•
87,000
•
    
  Fatalities
78,000
•
27,000
•
    
  Dispersed
13,983
•
1,924
•
    
Seriously wounded
84,000
•
41,000
•
    
Slightly wounded
or under shock
124,017
•
17,076
•
    

o
The table above, prepared by the Japanese Government (•) and by the ONU (•) shows the population loss at Hiroshima and Nagasaki, hit respectively by a 13.5 kilotons and a 20 kilotons nuclear bomb. The official balance of the victims of Hiroshima as at 6 August, 1987, is of 148,167 deaths, keeping into account the victims who died immediately after the nuclear bombing and those who died within the above specified date following resulting damages.

The table below obtained from data published by The Office of Technological Assessment (OTA) shows the possible number of fatalities in the city of Detroit and adjacent areas should a 1 megaton nuclear bomb be detonated on the ground in Detroit.
o
 
Distance (km)
Area (km2 )
Population
Lethality
Injured
Uninjured
psi
  

 

SHELTERING

  
0 - 2.7
23
70,000
70,000
0
0
12
2.7 - 4.3
58
250,000
130,000
100,000
20,000
5
4.3 - 7.6
180
400,000
20,000
18,000
200,000
2
7,6 - 12
450
600,000
0
150,000
450,000
1
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