Supervolcanoes that threaten the existence of humanity

There is always an active volcano somewhere on the planet and there is always one that can annoy us, there is a large population that lives not only near volcanoes but also supervolcanoes, I remind you for example in the fregre fields in Naples, there is a supervolcano or in Yellowstone, if Yellowstone erupts it would be something very serious in the United States, Canada and also Mexico, in fact the entire planet would be affected because the climatic impacts would be catastrophic for decades, not to mention One of the largest harvest zones on the planet would be lost and that would obviously be a catastrophe for the entire world.

Super volcanoes are true monsters, volcanic monsters are characterized by massive eruptions of hundreds of cubic kilometers or more, in fact, some think that only those that had an eruption of more than 1000 cubic km should be considered supervolcanoes, so that you have a reference, the 1883 crackate eruption which destroyed the island where that volcano was, expelled or released only 10 cubic km of materials.

The destruction of the island of Thera in the Mediterranean about 3,600 years ago, which was one of the sources that inspired Plato to create the myth of Atlantis, also called the Minoan eruption, expelled about 100 cubic km of materials, nothing more. We are still very short, these two cataclysmic explosions of volcanoes do not reach what is a super volcano, what almost reaches what is a super volcano would be the following.

This beautiful lake surrounded by a snowy landscape is in Oregon, United States, it looks like an almost Christmas postcard, however, what you are seeing is the rest of a volcanic apocalypse, that lake is the corpse of a mountain, Mount Mazama was originally believed to rise to 3,700 m high but about 7,700 years ago an eruption burst it, now only a crater remains from that explosion, a crater that is full of water, it is a lake that is about 9 km in diameter, you could put a large city in there and also deep 592 m deep.

The destruction of Mazama was the largest eruption known within the volcanic arc of the Cascades in the last million years, this eruption with its tremendousness surpassed that of Tera, the island that is now Santorini, this eruption only expelled only 150 cubic km of materials, supervolcanoes expel much more, they devastate millions of square kilometers and change the climate of the planet for years, sometimes for decades, creating volcanic winters, to simplify we all have the typical image of the volcano, like a mountain with a more or less cone shape and at the top of which there is a crater through which gas, lava and stones are expelled, etc., there are also volcanoes that are like fissures like those in Iceland where the lava comes out of those cracks in the ground.

These two can cause catastrophic eruptions, those that are cone-shaped can certainly explode and those that are crack-shaped can open for kilometers, but super volcanoes are something different, it is not an eruption in a crater or a crack, its caldera is an entire territory, covering tens or hundreds of square kilometers or thousands of square kilometers, such as Yellowstone.

An example in the Oruanui eruption was an eruption on the Taupo volcano, which is located on the North Island of New Zealand. It is believed to be the last of the super volcanoes. It occurred about 25,700 years ago. It expelled 1,170 cubic km of materials, 7.8 times more than the eruption that destroyed this Mount Mazama.

The explosion by a super volcano in Yellowstone would not only be a catastrophe for the United States, which would practically destroy half of the country, it would also be a catastrophe for Canada and northern Mexico, but the entire planet would be affected, not only would the entire climate of the planet be affected but also the loss of crops, we would be talking about hundreds of millions of deaths and tremendous famines and perhaps the start of wars for survival.

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