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The observers were sure it was 12 miles since glass was broken up to 12 miles but there was no consistency in the long range blast damage. Observers often thought that they had found the limit, and then 2,000 feet farther away would find further evidence of damage.

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Where did many survivors gather after the blast in hiroshima?

In the asano park.


What was the blast radius of the Nagasaki atomic bomb?

See: Atomic bombing of Hiroshima and Nagasaki.


What is the name of the tree that survived the Hiroshima bomb blast?

ginko biloba


How many of them die in hiroshima atom bomb blast?

90,000-166,000


How big was the area destroyed by the nuke in hiroshima?

There are three forms of damage caused by a nuclear detonation:BlastFireRadiationOf the three, blast and fire are typically the most devastating over the largest area. Radiation, however, is the longest lasting and depends on the nuclear components of the device.Typically, destructive distance is referred to as the blast radius. The bomb dropped on Hiroshima, Little Boy (the benchmark for most of what we know), had a blast radius of one mile. That is that the wave from the detonation of the device at about 500 meters altitude spread out at about the speed of sound for one mile from ground zero (a two mile diameter). The blast radius is directly related to the yield of the device. Little boy being relatively small, about 40 kt (kiloton). The average yield at the height of the Cold War was about five mt (megaton). This yield device, with a surface burst detonation (the least destructive--compared to subsurface or airburst) produces a blast radius of about 20 miles.In addition to the blast radius is the area of firestorm and high level radiation which is roughly twice that of the blast radius.There are a number of nuclear blast emulators available on line. One is linked below.Little Boy was about 15 kilotons, not 40 kilotons. Fat Man was a little more than 20 kiloton.

Related Questions

What radius of land was affected by nuclear fallout after the attack at Hiroshima?

The affected radius of land from nuclear fallout after the Hiroshima bombing was roughly 10 km (6.2 miles) from ground zero. This area suffered substantial damage and contamination from the blast and radiation.


What is the blast radius of a nuclear weapon?

That depends on what you're referring to: The fireball radius (the nuclear explosion itself), the total anhiliation range radius, and etc. For example, the bomb launched on Hiroshima had a fireball of several hundred feet in radius, a 1km total destruction range radius, and severe damage for miles. For firepower bombs (nuclear bombs made for power show & not effectiveness) The Tsar bomba of USSR had 50~55 megatons of TNT firepower, a fireball with 1km+ radius, total destruction for miles, and created a sound shockwave that could be heard in Norway/Other far Northern European areas. Modern nuclear weapons don't have a single blast radius; the U.S. developed M.I.R.V.s (cluster nuclear bombs) that spread apart to create a shotgun blast of multiple nuclear explosions.


What is the distance of a nuclear bomb?

The blast radius of a nuclear bomb can vary depending on its size and type, but typically ranges from a few kilometers to tens of kilometers. The impact of a nuclear bomb also includes heat, radiation, and fallout, which can affect areas beyond the immediate blast radius.


Radiation fallout radius of a 50 kiloton nuke?

This is impossible to answer with any accuracy as it depends on too many variables, including:burst height/depthwind speed & directionprecipitation (causing rainout hotspots)low fallout (clean) or normal fallout or high fallout (salted/dirty) designFallout usually doesn't have a simple radius like blast & thermal, it comes down in an elongated plume driven by changing wind directions.


How far did the nuclear particles of hiroshima travel?

I assume that you are referring to fallout. It was only a tiny amount of the total fallout at Hiroshima, but as the mushroom cloud did enter the stratosphere some did travel around the world. Most of the fallout though probably fell back to earth in less than a couple hundred miles.


How big is a nuclear blast radius?

Little Boy was the nuclear bomb detonated over Hiroshima. It used uranium and had an explosive blast equivalent to 12,500 tons of TNT. A 1 megaton hydrogen bomb, hypothetically detonated on the earth's surface, has about 80 times the blast power of that 1945 explosion. Considering the tonnage of a bomb to be contant, The blast radius varies dependent on whether it is a ground burst or an airburst. Further, the height of the airburst above ground affects the radius too. At a height of 1900 feet above ground, Little Boy produced a blast radius of 1 mile; an area of some 4.7 square miles.


How much area affected in nuclear bomb blows?

To answer your question I would need to know:yieldburst height/depthweatherterrainif burst is subsurface, material around burst (dirt, water, rock, concrete, etc.)construction of buildingspopulation density and proximity to burstetc.Considering just blast radius (1 psi maximum overpressure) of an airburst at optimum height, this effect varies from a small fraction of a mile for small tactical bombs, to 60 miles for the largest yield device tested the Tsar Bomba. All conventionally built houses in this radius will be flattened. Fire and radiation effects cover smaller radii than blast.Blast radius is reduced for surface and subsurface bursts, but here fallout begins to dominate the affected area.


Where did many survivors gather after the blast in hiroshima?

In the asano park.


What was the blast radius of the Nagasaki atomic bomb?

See: Atomic bombing of Hiroshima and Nagasaki.


What is the fallout radius of a nuclear strike?

I think it's a couple hundred miles from the impact zone of the nuke. First 500-1000= Vaporized and/or destroyed beyond repair. Anything past that= Kind of like runnof from a rainstorm. It's just like a big shockwave like blast . Total Damge Area= 5000+ ft This is from estimates and a chart I saw in a museum.


What is the name of the tree that survived the Hiroshima bomb blast?

ginko biloba


How many of them die in hiroshima atom bomb blast?

90,000-166,000