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The Top 10 Largest Nuclear Explosions, Visualized

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The Top 10 Largest Nuclear Explosions, Visualized

Just how powerful are nuclear explosions?

The U.S.’ Trinity test in 1945, the first-ever nuclear detonation, released around 19 kilotons of explosive energy. The explosion instantly vaporized the tower it stood on and turned the surrounding sand into green glass, before sending a powerful heatwave across the desert.

As the Cold War escalated in the years after WWII, the U.S. and the Soviet Union tested bombs that were at least 500 times greater in explosive power. This infographic visually compares the 10 largest nuclear explosions in history.

The Anatomy of a Nuclear Explosion

After exploding, nuclear bombs create giant fireballs that generate a blinding flash and a searing heatwave. The fireball engulfs the surrounding air, getting larger as it rises like a hot air balloon.

As the fireball and heated air rise, they are flattened by cooler, denser air high up in the atmosphere, creating the mushroom “cap” structure. At the base of the cloud, the fireball causes physical destruction by sending a shockwave moving outwards at thousands of miles an hour.

anatomy of a nuclear explosion's mushroom cloud

A strong updraft of air and dirt particles through the center of the cloud forms the “stem” of the mushroom cloud. In most atomic explosions, changing atmospheric pressure and water condensation create rings that surround the cloud, also known as Wilson clouds.

Over time, the mushroom cloud dissipates. However, it leaves behind radioactive fallout in the form of nuclear particles, debris, dust, and ash, causing lasting damage to the local environment. Because the particles are lightweight, global wind patterns often distribute them far beyond the place of detonation.

With this context in mind, here’s a look at the 10 largest nuclear explosions.

#10: Ivy Mike (1952)

In 1952, the U.S. detonated the Mike device—the first-ever hydrogen bomb—as part of Operation Ivy. Hydrogen bombs rely on nuclear fusion to amplify their explosions, producing much more explosive energy than atomic bombs that use nuclear fission.

Weighing 140,000 pounds (63,500kg), the Ivy Mike test generated a yield of 10,400 kilotons, equivalent to the explosive power of 10.4 million tons of TNT. The explosion was 700 times more powerful than Little Boy, the bomb dropped on Hiroshima in 1945.

#9: Castle Romeo (1954)

Castle Romeo was part of the Operation Castle series of U.S. nuclear tests taking place on the Marshall Islands. Shockingly, the U.S. was running out of islands to conduct tests, making Romeo the first-ever test conducted on a barge in the ocean.

At 11,000 kilotons, the test produced more than double its predicted explosive energy of 4,000 kilotons. Its fireball, as seen below, is one of the most iconic images ever captured of a nuclear explosion.

iconic image of the castle romeo nuclear explosion of 1954

#8: Soviet Test #123 (1961)

Test #123 was one of the 57 tests conducted by the Soviet Union in 1961. Most of these tests were conducted on the Novaya Zemlya archipelago in Northwestern Russia. The bomb yielded 12,500 kilotons of explosive energy, enough to vaporize everything within a 2.1 mile (3.5km) radius.

#7: Castle Yankee (1954)

Castle Yankee was the fifth test in Operation Castle. The explosion marked the second-most powerful nuclear test by the U.S.

It yielded 13,500 kilotons, much higher than the predicted yield of up to 10,000 kilotons. Within four days of the blast, its fallout reached Mexico City, roughly 7,100 miles (11,400km) away.

#6: Castle Bravo (1954)

Castle Bravo, the first of the Castle Operation series, accidentally became the most powerful nuclear bomb tested by the U.S.

Due to a design error, the explosive energy from the bomb reached 15,000 kilotons, two and a half times what was expected. The mushroom cloud climbed up to roughly 25 miles (40km).

As a result of the test, an area of 7,000 square miles was contaminated, and inhabitants of nearby atolls were exposed to high levels of radioactive fallout. Traces of the blast were found in Australia, India, Japan, and Europe.

#5, #4, #3: Soviet Tests #173, #174, #147 (1962)

In 1962, the Soviet Union conducted 78 nuclear tests, three of which produced the fifth, fourth, and third-most powerful explosions in history. Tests #173, #174, and #147 each yielded around 20,000 kilotons. Due to the absolute secrecy of these tests, no photos or videos have been released.

#2: Soviet Test #219 (1962)

Test #219 was an atmospheric nuclear test carried out using an intercontinental ballistic missile (ICBM), with the bomb exploding at a height of 2.3 miles (3.8km) above sea level. It was the second-most powerful nuclear explosion, with a yield of 24,200 kilotons and a destructive radius of ~25 miles (41km).

#1: Tsar Bomba (1961)

Tsar Bomba, also called Big Ivan, needed a specially designed plane because it was too heavy to carry on conventional aircraft. The bomb was attached to a giant parachute to give the plane time to fly away.

The explosion, yielding 50,000 kilotons, obliterated an abandoned village 34 miles (55km) away and generated a 5.0-5.25 magnitude earthquake in the surrounding region. Initially, it was designed as a 100,000 kiloton bomb, but its yield was cut to half its potential by the Soviet Union. Tsar Bomba’s mushroom cloud breached through the stratosphere to reach a height of over 37 miles (60km), roughly six times the flying height of commercial aircraft.

The two bombs dropped on Hiroshima and Nagasaki had devastating consequences, and their explosive yields were only a fraction of the 10 largest explosions. The power of modern nuclear weapons makes their scale of destruction truly unfathomable, and as history suggests, the outcomes can be unpredictable.

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Agriculture

Visualizing the World’s Flower Bouquet Export Market

This graphic highlights global flower bouquet sales in 2021 and how a few countries dominate the entire flower export market.

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Flower Bouquet Exports 2021 Shareable

Visualizing the World’s Flower Bouquet Export Market

For many, flower bouquets are the go-to gift choice when congratulating a colleague, visiting an ailing relative, or simply showing love and kindness to partners and friends.

And the global popularity of these carefully-arranged and vividly-colored bundles has led to the creation of a billion-dollar flower bouquet market. And demand for beautiful bouquets has kept growing, with global flower bouquet exports in 2021 reaching $11 billion—which is a 30.2% rise since 2017.

Louis Lugas Wicaksono uses data from World’s Top Exports to highlight the spread of this industry. In this image, he shows the flower bouquet exports across different countries in 2021.

Countries Trading the Most Flower Bouquets

Far at the top of the list and best known for their tulips, the Netherlands dominated the flower bouquet export industry in 2021.

RankCountryContinentFlower Bouquet Exports (2021 USD)
1🇳🇱 NetherlandsEurope$5.7B
2🇨🇴 ColombiaAmerica$1.7B
3🇪🇨 EcuadorAmerica$927.3M
4🇰🇪 KenyaAfrica$725.5M
5🇪🇹 EthiopiaAfrica$254.5M
6🇧🇪 BelgiumEurope$150.0M
7🇮🇹 ItalyEurope$140.9M
8🇨🇳 ChinaAsia$124.6M
9🇲🇾 MalaysiaAsia$90.5M
10🇨🇦 CanadaAmerica$82.0M
11🇮🇱 IsraelAsia$77.5M
12🇿🇦 South AfricaAfrica$70.4M
13🇪🇸 SpainEurope$69.6M
14🇩🇪 GermanyEurope$65.8M
15🇹🇷 TurkeyAsia$59.4M
🌎 Rest of the world$735.2M

The small European nation exported $5.7 billion worth of bouquets in 2021, accounting for over half of global flower bouquet trade. This dominance comes from centuries of being the world’s largest producer of flowers and being a floral trade hub due to its advantageous location and connections with other growers, suppliers, and wholesalers.

Colombia and Ecuador fall next on this list with their exports totaling $1.7 billion and $927 million, respectively. Roses, carnations, and chrysanthemums are heavily exported from these South American nations.

On the other side of the Atlantic, cut rose flower exports were the leading drivers for Kenya and Ethiopia, earning these African nations $725 million and $254 million respectively.

Together, these five nations contributed to 85% of the world’s flower bouquet trade in 2021.

Post-Pandemic Strategies

Despite the challenges posed by the COVID-19 pandemic, the flower bouquet export industry remained resilient. However, this was not an easy feat.

Many florists embraced new strategies like online sales and free home deliveries, and exporters dealt with global shipping slowdowns. Some countries including Columbia and Kenya focused on producing flowers with longer shelf lives that could be shipped further away.

As we continue to drift away from the pandemic and global trade eases up, we can expect this industry to blossom further.

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