Top 10 H-Bombs

#10

RD S-37 – 1.5 megatons

The first Soviet H-Bomb

November 22, 1955
Semipalatinsk test site, Kazakhstan, USSR

#9

Grapple X – 1.6 megatons

The first British H-Bomb

November 8, 1957
Kiritimati , Christmas Island

#8

Canopus – 2.6 megatons

The first french fusion bomb

August 24, 1968
Fangataufa atoll

#7

Chinese H-Bomb – 3.3 megatons

June 17, 1967

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#6

Cherokee – 3.8 megatons

Operation Redwing on May 20, 1956 at Bikini Atoll.
Redwing demonstrated the first US airdrop of a deliverable hydrogen bomb.

#5

Ivy Mike – 10.4 megatons

The world's first hydrogen bomb made by USA.
Nuclear weapon test Mike on Enewetak Atoll
on November 1, 1952.
The test was part of the Operation Ivy.

#4

Castle Romeo – 11 megatons

March 27, 1954
Bikini Atoll
The test was part of the Operation Castle.

#3

Castle Yankee – 13.5 megatons

May 5, 1954
Bikini Atoll
The test was part of the Operation Castle.

#2

Castle Bravo – 15 megatons

March 1, 1954: nuclear weapon test Bravo on Bikini Atoll.
The test was part of the Operation Castle.
The Bravo event was an experimental thermonuclear device surface event.

#1

Tzar Bomb – 57 megatons

The most powerful nuclear weapon ever detonated.
The Soviet Union detonated this massive weapon on October 30, 1961 on the Novaya Zemlya Archipelago.
Tzar Bomb remains the most powerful artificial explosion in human history.