What was the radius of Hiroshima bomb?
1 mile
In both cities the blast totally destroyed everything within a radius of 1 mile from the center of explosion, except for certain reinforced concrete frames as noted above. The atomic explosion almost completely destroyed Hiroshima’s identity as a city.
How far is a safe distance from a nuclear explosion?
Survive DURING This will help provide protection from the blast, heat, and radiation of the detonation. When you have reached a safe place, try to maintain a distance of at least six feet between yourself and people who are not part of your household.
How long did it take radiation to leave Hiroshima?
Most of those exposed to direct radiation within a one-kilometer radius died. Residual radiation was emitted later. Roughly 80% of all residual radiation was emitted within 24 hours.
How far apart were Hiroshima and Nagasaki?
Three days after the destruction of Hiroshima, another American bomber dropped its payload over Nagasaki, some 185 miles southwest of Hiroshima, at 11:02 a.m. Not the original intended blast site, Nagasaki only became the target after the crew found that city, Kokura, obscured by clouds.
How big was the radius of the Hiroshima bomb?
Hiroshima Bomb Blast Radius size comparison 8.00 km2 / 3.09 mile2 “Little Boy” was the codename for the type of atomic bomb dropped on the Japanese city of Hiroshima on 6 August 1945 during World War II. The blast totally destroyed everything within a radius of 1 mile from the center of explosion.
How big was the explosion of the atomic bomb in Nagasaki?
1202 (11:02am in Nagasaki)- Fat Man explodes 1,650 feet above the city. Between 40,000-75,000 people die instantly. The bomb creates a blast radius one mile wide. The geography of Nagasaki prevents destruction on the same scale as Hiroshima, yet nearly half the city is obliterated.
When did the US drop the atomic bomb on Hiroshima?
Hiroshima. On August 6, 1945, the United States dropped an atomic bomb on the city of Hiroshima. The bomb was known as “Little Boy”, a uranium gun-type bomb that exploded with about thirteen kilotons of force. At the time of the bombing, Hiroshima was home to 280,000-290,000 civilians as well as 43,000 soldiers.
What is the radius of a Ground Zero explosion?
Approaching ground zero, all buildings will be rubble and rubble may be 30 feet deep or more. The SD zone may have a radius on the order of a 0.5 mile (0.8 km) for a 10 KT detonation. Blast overpressure that characterizes the SD zone is 5-8 psi and greater.