Tsar Bomba | History, Location, Megatons, & Facts (2024)

Tsar Bomba, (Russian: “King of Bombs”) , byname of RDS-220, also called Big Ivan, Soviet thermonuclear bomb that was detonated in a test over Novaya Zemlya island in the Arctic Ocean on October 30, 1961. The largest nuclear weapon ever set off, it produced the most powerful human-made explosion ever recorded.

The bomb was built in 1961 by a group of Soviet physicists that notably included Andrey Sakharov. At the time the Cold War between the U.S.S.R. and the United States had grown increasingly tense. Meant to be a show of Soviet strength, the three-stage bomb was unparalleled in power. It had a 100-megaton capacity, though the resulting fallout from such a blast was considered too dangerous for a test situation. Thus, it was modified to yield 50 megatons, which was estimated to be about 3,800 times the strength of the U.S. bomb dropped on Hiroshima during World War II. In addition, the fusion process of the Soviet device was altered, dramatically lessening the fallout. The resulting weapon weighed 27 tons, with a length of some 26 feet (8 metres) and a diameter of about 7 feet (2 metres). Although officially known as RDS-220, it acquired numerous nicknames, most notably Tsar Bomba in the West.

A Tu-95V bomber was modified to carry the weapon, which was equipped with a special parachute that would slow its fall, allowing the plane to fly a safe distance from the blast. The aircraft, piloted by Andrey Durnovtsev, took off from Kola Peninsula on October 30, 1961. It was joined by an observer plane. At approximately 11:32 am Moscow time, Tsar Bomba was dropped over the Mityushikha Bay test site on the deserted island of Novaya Zemlya. It exploded about 2.5 miles (4 km) above the ground, producing a mushroom cloud more than 37 miles (60 km) high; the flash of the detonation was seen some 620 miles (1,000 km) away. The resulting damage was equally massive. Severny, an uninhabited village 34 miles (55 km) from ground zero, was leveled, and buildings more than 100 miles (160 km) away were reportedly damaged. In addition, it was estimated that heat from the blast would have caused third-degree burns up to 62 miles (100 km) distant.

Although a success, Tsar Bomba was never considered for operational use. Given its size, the device could not be deployed by a ballistic missile. Instead, the bomb had to be transported by conventional aircraft, which could easily be intercepted before reaching its target. Thus, Tsar Bomba was viewed as a propaganda weapon. Following the 1961 blast, Sakharov became increasingly involved in efforts to limit nuclear tests to underground. Such a ban was signed by the United States, Britain, and the U.S.S.R. in 1963, and numerous other countries later joined the treaty.

Amy Tikkanen

Tsar Bomba | History, Location, Megatons, & Facts (2024)

FAQs

How many Tsar Bomba are there in megaton? ›

It had a 100-megaton capacity, though the resulting fallout from such a blast was considered too dangerous for a test situation. Thus, it was modified to yield 50 megatons, which was estimated to be about 3,800 times the strength of the U.S. bomb dropped on Hiroshima during World War II.

Where is the Tsar Bomba located? ›

As only one bomb was built to completion, that capability has never been demonstrated. The remaining bomb casings are located at the Russian Atomic Weapon Museum in Sarov and the Museum of Nuclear Weapons, All-Russian Scientific Research Institute Of Technical Physics, in Snezhinsk.

How much area did the Tsar Bomba destroy? ›

Tsar Cannon

The Tsar bomba exploded about 4 km above the ground and reportedly produced a mushroom cloud 60 km high. The bomb destroyed an uninhabited village 55 km from Ground Zero with damage to buildings seen from 100 kms away.

How far was the Tsar Bomba seen? ›

Onlookers saw the flash more than 600 miles (965 km) away, and felt its incredible heat within 160 miles (250 km) of Ground Zero. The bomb's gargantuan mushroom cloud climbed to just below the edge of space. This was RDS-220 — also known as the Tsar Bomba.

How many tsar bombs does Russia have? ›

Official estimates of the Russian tactical nuclear stockpile range from 1,000 to 2,000.

What is the biggest nuke in megaton? ›

Tsar Bomba was the largest nuclear bomb ever, yielding an explosion equivalent to 57 megatons of TNT, ten times more powerful than all of the combined munitions used during World War II.

Does the USA have the Tsar Bomba? ›

Answer and Explanation: As far as we know, nobody currently has a Tsar Bomba. The Soviets only built the one that was detonated in 1961. Other countries do have weapons of a similar nature, however.

Can Tsar Bomba destroy a country? ›

Depending on its impact radius, even a Tsar bomb cannot destroy a whole country. Only a small country such as Vatican City or Monaco with land areas of 44 ha and 202 ha respectively can be completely destroyed using a nuclear weapon.

What if Tsar Bomba was dropped on New York? ›

Below are some rough estimates for an airburst detonation of the Tsar Bomba at 13,000 feet above the following cities, according to the simulator: New York City, New York - 7.6 million fatalities and 4.2 million injuries. Los Angeles, California - 3.9 million fatalities and 3.7 million injuries.

How many times did the Tsar Bomba go around the world? ›

That is more than 1,500 times that of the Hiroshima and Nagasaki bombs combined, and 10 times more powerful than all the munitions expended during World War Two. Sensors registered the bomb's blast wave orbiting the Earth not once, not twice, but three times.

What if the Tsar Bomba was 100 megatons? ›

The proposed one hundred megatons AN602 Tsar Bomba would've been twice as powerful as the tested one (fifty megatons). The tested AN602 bomb nearly killed the Tu-95 pilots, which was modified (Tu-95V) to go at a higher range just to prevent being annihilated by the blast.

Has the Tsar bomb ever been used? ›

Behold, the most powerful explosion ever unleashed by humans. On the morning of October 30, 1961, the Soviet Union carried out the Tsar Bomba test, a hydrogen bomb that was the most powerful nuclear weapon ever created and tested.

How deep is the Tsar bomb crater? ›

At 40 miles high, it penetrated the stratosphere. Everything within three dozen miles of the impact was vaporized, but severe damage extended to 150 miles radius—enough to entirely annihilate any modern major city, including suburbs.

What is the biggest nuke the US has? ›

With the dismantling of the last B53 bomb in 2011, the B83 became the highest yield nuclear weapon in the U.S. arsenal. In 2022, Biden administration declared that they plan to retire B83.

How big is a Tsar bomb blast? ›

The Tsar Bomba yield was approximately 1,570 times more powerful than the yield of the bombs dropped on Hiroshima and Nagasaki combined, and 10 times more powerful than all of the conventional weapons exploded during World War II.

What would a 10000 megaton bomb do? ›

A.

It has been estimated that a 10,000-megaton war with half the weapons exploding at ground level would tear up some 25 billion cubic meters of rock and soil, injecting a substantial amount of fine dust and particles into the stratosphere.

What would a 200 megaton bomb do? ›

Potentially, the weapon would render thousands of square miles of Earth's surface unlivable for decades.

What would a 50 megaton bomb do? ›

The world's largest nuclear device ever to be set off, the 50 megaton Soviet “Tsar Bomba” – detonated in a remote arctic test site in 1961, creating the most powerful man-made explosion in history – would kill an estimated 5.8 million people if it were dropped on London, according to Nukemap.

Where is the last Tsar Bomba? ›

The Tsar Bomba detonated at 11:32 a.m., located approximately at 73.85° N 54.50° E , over the Mityushikha Bay nuclear testing range (Sukhoy Nos Zone C), north of the Arctic Circle on Novaya Zemlya Island in the Arctic Sea.

Does the US have any A bombs? ›

As of 2020, the United States had a stockpile of 3,750 active and inactive nuclear warheads plus approximately 2,000 warheads retired and awaiting dismantlement.
...
Nuclear weapons of the United States.
United States
Total tests1,054 detonations
Peak stockpile31,255 warheads (1967)
Current stockpile3,750 (2021)
8 more rows

What is the strongest nuke in the world? ›

The Tsar Bomba is the most powerful thermonuclear weapon ever detonated, as no other bomb as strong has ever been tested. While there were no deaths from the Tsar Bomba's test, there were windows shattered due to the explosion 780km (480 miles) away in a village on Dikson Island.

Could one nuclear bomb destroy New York City? ›

A nuclear bomb dropped on New York City could kill 264,000 people — the most of any city on this list. The city's total injury count would also be harrowing: About 512,000 people would be hurt.

What would Tsar Bomba do to the US? ›

According to NukeMap, roughly 1.4 million people would have been killed immediately and the nuclear fallout would have made its way through Philadelphia, PA and into Trenton, NJ. Shockwaves reached 430 miles, which would have put it past Cincinnati, OH.

Where would a nuke hit the US? ›

Redlener identified six cities that have the greatest likelihood of being attacked: New York, Chicago, Washington D.C., Los Angeles, San Francisco, and Houston. Only New York, Washington D.C., and Los Angeles' emergency management websites give ways to respond to a radioactive disaster.

How long would it take for a nuke from Russia to hit the US? ›

Can Russian missiles reach the US? According to the Union of Concerned Scientists, Russian land-based missiles could reach the U.S. in as little as 30 minutes, with submarine-based missiles striking 10 or 15 minutes after they are launched.

What would a 1 megaton nuke do? ›

The volume the weapon's energy spreads into varies as the cube of the distance, but the destroyed area varies at the square of the distance. Thus 1 bomb with a yield of 1 megaton would destroy 80 square miles.

How much would the Tsar bomb wipe out? ›

When the giant bomb finally detonated about 13,000 feet (4 kilometers) over its target, the blast was so powerful that it destroyed everything within a nearly 22-mile (35-kilometer) radius, and generated a mushroom cloud that towered nearly 200,000 feet (60 kilometers).

Can the US shoot down nukes? ›

A new study sponsored by the American Physical Society concludes that U.S. systems for intercepting intercontinental ballistic missiles cannot be relied on to counter even a limited nuclear strike and are unlikely to achieve reliability within the next 15 years.

Can the US block a nuclear missile? ›

To increase the probability of an intercept, the United States has to shoot multiple interceptors at each incoming ballistic missile. At present, because its inventory of interceptors is limited, the United States can shoot down only a handful of ballistic missiles that have relatively unsophisticated countermeasures.

How big is a 100 megaton blast? ›

So a 10-megaton bomb detonated at an optimal altitude might do medium damage to a distance of 9.4 miles (15 kilometers) from ground zero, but a 100-megaton bomb “only” does the same amount of damage to 20.3 miles (33 kilometers).

How many megatons are US nukes? ›

HOW POWERFUL ARE THE NUCLEAR WEAPONS OUT THERE? Nuclear weapons vary in their destructive power. In the United States' current nuclear arsenal, the most powerful bomb is the B83, which has a maximum yield of 1.2 megatons, making it 60 times more powerful than the bomb dropped on Nagasaki, Japan, in 1945.

Can Tsar Bomba fit on a missile? ›

The Tsar Bomba was so big that it couldn't be placed on a missile, and so heavy that the planes designed to carry it wouldn't have been able to take them all the way to their targets with enough fuel. And, if the bomb was as powerful as intended, the aircraft would have been on a one-way mission anyway.

Does the US have a Tsar bomb? ›

Answer and Explanation: As far as we know, nobody currently has a Tsar Bomba. The Soviets only built the one that was detonated in 1961.

Is there a bomb that can destroy a whole city? ›

Nuclear weapons are the most dangerous weapons on earth. One can destroy a whole city, potentially killing millions, and jeopardizing the natural environment and lives of future generations through its long-term catastrophic effects.

How many megatons is Russia's strongest nuke? ›

The Tsar Bomba packed a punch of over 50 megatons, which is the equivalent of 50 million tons of conventional explosives. That's 10 times more powerful than all the munitions expended during World War Two and over 1,500 times the force of the atomic bombs dropped on Hiroshima and Nagasaki combined.

What is the biggest nuclear bomb today? ›

With its retirement, the largest bomb currently in service in the U.S. nuclear arsenal is the B83, with a maximum yield of 1.2 megatons. The B53 was replaced in the bunker-busting role by the B61 Mod 11.

How many megatons is the US biggest nuke? ›

Scientists were shocked when Castle Bravo produced an astounding 15 megaton yield, making it 1,000 times as powerful as the U.S. nuclear weapons used on Hiroshima and Nagasaki in 1945.

How many megatons was Chernobyl? ›

Nuclear physicist Vassili Nesterenko declared that the blast would have had a force of 3-5 megatons leaving much of Europe uninhabitable for hundreds of thousands of years.

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