The World's Worst Natural Disasters?

Discussion in 'Weather & Natural Disasters' started by Matt Head, Jun 6, 2023.

  1. Matt Head

    Matt Head Member
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    Tsunami is the worst natural disaster in the world, so thousands of people are dead due to it and many people are homeless.
     
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  2. John Brunner

    John Brunner Senior Staff
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    I don't know. Volcanic ash can get into the atmosphere and jigger things worldwide for years...or even longer.
     
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  3. Thomas Windom

    Thomas Windom Very Well-Known Member
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  4. Richard Whiting

    Richard Whiting Very Well-Known Member
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    Compared to Mt St Helens , Yellowstone is VAST. The old crater is 80 km X 45 km across. When it EVENTUALLY erupts, and it will SOMEDAY, Very little life, human and animal, would survive in North America.
     
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  5. John Brunner

    John Brunner Senior Staff
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    The ash would reflect back the sunlight all over the world, preventing food from being grown and keeping everyone a perpetual winter...or colder. Some of Earth's recent measurable warming is due to the gradual dissipation of the volcanic ash from the Mt. Pinatubo eruption in the early 90s. It also depleted its fair share of ozone.
     
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  6. Richard Whiting

    Richard Whiting Very Well-Known Member
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    Yellowstone volcano has erupted several times during the last 2.1 million years. the most recent "SUPER" happened 640 thousand years ago. The most recent one, (much smaller) happened 70, 000 yrs ago.

    When it does erupt again, and if a "SUPER" happened , it would alter the climate of the entire earth. Humans would likely survive, BUT 100's of millions would die of starvation due to sun blockage and crop loss. However, not to worry. The chance of that happening in our lifetimes is very, very small indeed.
     
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  7. Richard Whiting

    Richard Whiting Very Well-Known Member
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    April 1815, Mt Tambora erupted in the area of Java. It produced so much ash , and blocked out so much sunlight that 1815 was known as "the year without a summer". In the U.S. it snowed in July in Pennsylvania.
     
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  8. Tom Galty

    Tom Galty Veteran Member
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    The volcanic winter of 536 AD was the most severe and protracted episode of climatic cooling in the Northern Hemisphere in the last 2,000 years.[1] The volcanic winter was caused by at least three simultaneous eruptions of uncertain origin, with several possible locations proposed in various continents. Most contemporary accounts of the volcanic winter are from authors in Constantinople, the capital of the Eastern Roman Empire, although the impact of the cooler temperatures extended beyond Europe. Modern scholarship has determined that in early AD 536 (or possibly late 535), an eruption ejected massive amounts of sulfate aerosols into the atmosphere, which reduced the solar radiation reaching the Earth's surface and cooled the atmosphere for several years. In March 536, Constantinople began experiencing darkened skies and cooler temperatures.

    Summer temperatures in 536 fell by as much as 2.5 °C (4.5 °F) below normal in Europe. The lingering impact of the volcanic winter of 536 was augmented in 539–540, when another volcanic eruption caused summer temperatures to decline as much as 2.7 °C (4.9 °F) below normal in Europe.[2] There is evidence of still another volcanic eruption in 547 which would have extended the cooler period. The volcanic eruptions, which began in 541, caused crop failures, and were accompanied by the Plague of Justinian, famine, and millions of deaths and initiated the Late Antique Little Ice Age, which lasted from 536 to 560.[3]

    The medieval scholar Michael McCormick wrote that 536 was the worst year in history to be alive: "It was the beginning of one of the worst periods to be alive, if not the worst year."[4]
     
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