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10 Biggest Explosions in History

Explosions are tricky to measure. For one, what’s the criteria? And most data on “blasts from the past” are speculation at best.

So consider this list “10 of the biggest explosions since the dawn of time,” measured by magnitude of the blast, loss of lives and impact on world history.

In no particular order:
atomic blast images small 10 Biggest Explosions in History1. Atomic blasts over Hiroshima and Nagasaki (August 6 and 9, 1945)
Ordered by U.S. President Harry S. Truman to force Japan into submission and prevent greater loss of life from an endless war, the devastating dropping of the “Little Boy” atomic bomb was the first use of a nuclear weapon in world history. The bomb contained 130 lbs. of uranium-235 and detonated at approx.

1,900 feet above the city with a force that equaled about 13 kilotons of TNT.

Scientists considered “Little Boy” to be inefficient, estimating that less than 2% of the bomb’s nuclear material actually fissioned in the blast, and yet its effect was devastating: the blast radius was about 1 mile across, killing approximately 140,000 (mostly civilians) almost instantly, with thousands more to die of radiation poisoning and other injuries in the weeks and years to come.

Three days after the Hiroshima blast, U.S. forces dropped the “Fat Man” atomic bomb over Nagasaki, prompting the Japanese to surrender on August 15. It would be the second, and to date, last use of a nuclear weapon in history, killing an estimated 80,000 Japanese.
2. Soviet Nuclear Test, Novaya Zemlya (October 1961)
In the years following the Hiroshima and Nagasaki blasts, the U.S. and Soviet Union began a Cold War campaign of nuclear one-upmanship that saw its single biggest explosion in a October 1961 Soviet-conducted test blast over the Arctic.

The detonation was caused by a 58-megaton bomb, 4,000 times more powerful than “Little Boy.”
3. MINOR SCALE, U.S. Defense Nuclear Agency, White Sands Missile Range (June 27, 1985)minor scale image1 10 Biggest Explosions in History
The ironically named “MINOR SCALE” blast in the desert of New Mexico in 1985 consisted of up to 4,800 short tons of Ammonium Nitrate Fuel Oil (ANFO).

Considered by many to be the largest artificial, non-nuclear explosion in recorded history, the test simulated the effects of an 8-KT nuclear weapon in order to test possible responses of weapon systems and the blast’s effects on communications equipment, vehicles and buildings.

4. Krakatoa volcanic eruptions (August 26-27, 1883)krakatoa 10 Biggest Explosions in History
The Krakatoa eruptions of 1883 exploded with a force of approx. 200 megatons of TNT, or approximately 13,000 times the yield of the Hiroshima atomic blast, making it one of the most violent volcanic blasts in modern history.

The blast’s death toll was more than 36,400, and it’s believed to be the loudest sound ever observed, having been heard as far as 3,000 miles away.

The Krakatoa blast is also said to be the cause of the red sky in the famous painting “The Scream” by Edvard Munch.

The volcanic blast had spewed so much debris into the atmosphere that it caused deep red twilights visible in the skies over Europe (including Munch’s hometown in Norway) from November 1883 to February 1884.
5. The Halifax Cargo Ship Explosion, Nova Scotia, Canada (December 6, 1917)ww halifax exp 01 10 Biggest Explosions in History
A cargo ship from France carrying explosives for WWI was struck by another ship in Halifax Harbor.

The explosion hurled debris, caused fires and building collapses, killing 2,000 people and injuring 9,000 more.

The blast also caused a tsunami in the harbor, along with a pressure wave of air that devastated the shoreline and hurtled shards of the destroyed ship for many miles.
6. Explosion at Port Chicago (July 17, 1944)
Two ships loaded with more than 4,600 tons of explosives to be used in WWII collided at Port Chicago, 30 miles north of San Francisco.

This impact, coupled with an additional 400 tons of explosives sitting on adjacent railway cars, killed around 320 workers, damaged buildings, caused injury as far away as San Francisc, and caused tremors felt as far away as Nevada.
7. Chernobyl Nuclear Plant Disaster, U.S.S.R. (April 25, 1986)Chernobyl Plant 10 Biggest Explosions in History
The worst nuclear power plant disaster in history occurred April 25, 1986 in the U.S.S.R. region of Chernobyl.

Four inexperienced engineers conducted an electrical experiment on Chernobyl’s number 4 reactor, setting off a cataclysmic chain of events that caused the reactor to explode, blowing off its concrete and steel lid.

The blast sent more than 50 tons of radioactive material into the atmosphere, killed 32 people at the scene and led to an estimated 5,000 deaths from cancer and other radiation-caused illnesses in the following years.
8. The Yellowstone Caldera Eruption, Wyoming, USA (640,000 years ago)
Perhaps the largest explosion the Earth has known occurred approx. 640,000 years ago at the site of the Yellowstone Caldera in the northwest corner of Wyoming.

The blast was estimated to be about 2,500 times the magnitude of the 1980 Mount St. Helens eruption, affected an area of approx 34 miles by 45 miles, and spread a layer of ash over most of North America.

The area is now commonly referred to as the “Yellowstone supervolcano” referring to its potential for massive devastation that many scientists feel will re-occur some day in the distant (or not so distant) future.
9. Gamma Ray Burst, 12 billion light years from Earth (observed on Earth in 1998)
Scientists in 1998 observed an almost unfathomable burst of gamma ray energy 12 billion light years away from us.

They measured it to have released an amount of energy equaling all the estimated 10 billion trillion stars in the universe.

Its distance from our own galaxy prevented the blast from affecting us or our sun, yet the scale of the explosion has led astronomers to label it the biggest documented explosion in history.
10. The Big Bang, Birth of the Universe (13.7 billion years ago)big bang 10 Biggest Explosions in History
Though still the subject of debate in the scientific and theological communities, the “Big Bang” would have to be considered the largest explosion EVER.

The forces involved may not meet a strict definition of “explosion,” yet Georges Lemaitre’s Big Bang theory postulates that all the mass in the universe began as a condensed “primeval atom” that burst forth with such dense energy and high temperature and pressure to give birth to everything within the universe

. While initially discounted by his peers when Lemaitre introduced the concept in 1931, other related discoveries such as the cosmic microwave background radiation in 1964 helped solidify the Big Bang as the most well-reasoned theory on the origin of the cosmos.


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Comments (16)

  1. Greg says:

    Good stuff. I thought it was going to be ALL Nuclear bombs !!

  2. buford blates says:

    iv done bigger explosions with a black cat

  3. vx says:

    Hmm surprised that the Tunguska blast wasn’t on the list. Ah well, nice list anyway ;)

  4. 1 0 3 says:

    Yes indeed, the Tunguska blast should be in the list.

  5. deb says:

    fairly interesting wish there were more pics

  6. reese kennedy says:

    holy shit

  7. Zero says:

    These are not the biggest blasts in history. By far.

    Many thing outweight the explosions at nagasaki and hiroshima combined.

    Tsar Bomba. biggest man made explosion ever. 50 megaton.

  8. Kylandor says:

    Tunguska blast was 10–15 megatons, about the same as the The Castle/Bravo nukes, which had a potential yield of 15 to 22 Megatons.

  9. Donny says:

    the czar bomba was the biggest nuclear device ever tested. why isnt it on here

  10. Electrical Contractors Houston says:

    I like your post as it has some really very interesting explosion history that have increased my knowledge a lot. I want to say that The Big Bang which is “Birth of the Universe” that occurred about 13.7 billion years ago was the first and the biggest explosion in the history of the world. But i wanted to say that what i think is the biggest and the most unusual explosion was the Chernobyl Nuclear Plant Disaster(which is basically an accident) that occurred due to human error in U.S.S.R. on April 25, 1986 which is much worst than the Atomic blasts over Hiroshima and Nagasaki which is meant to destroy it. By the way thanks for the post…

  11. scotty says:

    only had a quick squiz,but yep very interesting!

  12. Coffee Parts says:

    Really amazing post to read as it has increased by explosion knowledge(lolz…) and now i am aware of the explosion that had took in the history that has been forgotten. Thanks man and keep up the good work….

  13. Leasing Trailer says:

    Great post! its quite shocking to read through your post that our mother earth has gone through so many explosion that doesn’t really effected it all, which is because it used to heal itself gradually. Thanks for the post…..

  14. index4.in says:

    10 Biggest Explosions in History | Amazing Photos, Science News and Funny Photos…

    Explosions are tricky to measure. For one, what’s the criteria? And most data on blasts from the past are speculation at best. So consider this list 10 of…

  15. Leon says:

    I’m not surprised maralinga isn’t on the list.
    no one in the world seems to know about the Australian shame. People don’t care as much for innocent victims as they do for people who were either asking for it or engaged in war.
    the victims at maralinga didn’t even know the country that bombed them existed.

  16. Riaz says:

    Indeed it was informative and useful. However the new information added by the readers should also be weighed and the list adjusted. Big bang may be excluded as it is not observed or witnessed by anyone.(It may be added as Special). It is based on scientific theories and calculations. There are differences in theories when seen from the religious angles. In GOD revealed religions, the universe appears to have been designed and made by GOD in seven days. The most mysterious and full of wonders is the Planet Earth where there is LIFE and hidden resources which the mankind in constant process of exploration.

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