HUNDREDS of earthquakes recorded at the Yellowstone supervolcano in less than a week has sparked fears that the huge caldera is set to erupt in cataclysmic fashion.
More than 500 tremors have rocked the Wyoming-based volcano in a matter of days, leading to renewed fears the volcano could erupt.
The strongest of the quakes was a 4.4 tremor which hit on Thursday, June 15.
The Yellowstone Caldera supervolcano last erupted 70,000 years ago but a spike in seismic activity around the national park has unsettled nerves.
If the Wyoming volcano were to erupt it would kill an estimated 87,000 people immediately and make two-thirds of the USA immediately uninhabitable. The as the large spew of ash into the atmosphere would block out sunlight and directly affect life beneath it creating a “nuclear winter” and threatening ALL life on earth.
The volcano is 80 km (50 mi) long 20 km (12 mi) wide and the 1500F chamber of molten rock beneath the surface is seven miles deep.
The caldera is so huge volcano-hunting scientists failed to spot it for years unaware they were walking all over it.
The massive eruption could be a staggering 6,000 times as powerful as the one from Washington’s Mount St Helens in 1980 which killed 57 people and deposited ash in 11 different states and five Canadian provinces.
Additionally, a climate shift would ensue as the volcano would spew massive amounts of sulphur dioxide into the atmosphere, which can form a sulphur aerosol that reflects and absorbs sunlight.
Yellowstone About To Blow? Scientists Warning Over SUPER-VOLCANO That Could Kill MILLIONS
The biggest concern with an eruption the size of Yellowstone is ashfall.
The force would shoot ash into the atmosphere up to 30 kilometres high where the easterly jet stream would carry it as far away as Europe within three days.
The volcano would also eject sulphuric acid into the air forming an aerosol that remains in the atmosphere for years, screening out sunlight, causing global temperatures to drop and killing crops for years afterward.
Even 1 millimeter of ash will close airports, cause damage to vehicles and houses, and contaminate water supplies.
SCIENTISTS have warned the world is in “volcano season” and there is up to a 10% chance of an eruption soon killing millions of people and devastating the planet.
The world’s most dangerous active volcanoes include Yellowstone, Mount Vesuvius in Campagnia, Italy, and Popocatépetl i near Mexico City.
If any of them or other massive volcanic peaks suffered a major eruption the team said millions of people would die and earth’s atmosphere would be poisoned with ash and other toxins “beyond the imagination of anything man’s activity and global warming could do over 1,000 years.
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The chance of such as eruption happening at one of the major volcanoes within 80 years is put at five to ten per cent by the experts.
There are already fears that Yellowstone could blow any time within the next years on a scale that would wiped out the western USA and affect the course of global history.
The report – “Extreme Geo-hazards: Reducing the Disaster Risk and Increasing Resilience,” warns global government’s preparations for such happenings are virtually non-existent.
It said: “Although in the last few decades earthquakes have been the main cause of fatalities and damage, the main global risk is large volcanic eruptions that are less frequent but far more impactfull than the largest earthquakes.
“Due to their far-reaching effects on climate, food security, transportation, and supply chains, these events have the potential to trigger global disaster and catastrophe.
“The cost of response and the ability to respond to these events is beyond the financial and political capabilities of any individual country.”
Hence extreme volcanic eruptions pose a higher associated risk than all other natural hazards with similar recurrence periods, including asteroid impacts.
The report looked at other major geo-hazards facing the globe, including earthquakes, drought, asteroids floods, tsunamis, hurricanes, avalanches and wildfires.
Large earthquakes and tsunamis have happened more in the last 2,000 years, meaning there was better preparedness.
The report concluded: “Volcanic eruptions can have more severe impacts through atmospheric and climate effects and can lead to drastic problems in food and water security, as emphasized by the widespread famine and diseases that were rampant after the Laki 1783 and Tambora 1815 eruptions.
“Hence extreme volcanic eruptions pose a higher associated risk than all other natural hazards with similar recurrence periods, including asteroid impacts.”
The eruption of Tambora on Sumbawa, Indonesia killed about 100,000 people, but ash clouds meant there was no summer the following year and it was “one of the most important climatic and socially repercussive events of the last millennium,” the report said.
The earlier Icelandic event killed close to 10,000 instantly, but the long-term, effects wiped out 25% of the population and were felt across the planet.
A famine in Egypt reduced the population by one sixth, 25,000 died in the UK from breathing problems and there was worldwide extreme weather.
Similar scale events today would be much more catastrophic, the team warned, due to
much bigger populations, global travel and food chains and reliance on technology.
Worryingly, scientists say research over the last 300 years of volcanic activity shows we are currently in a “volcano season” meaning increased activity.
Volcanoes are also more likely from November to April in the northern hemisphere when ice, rain and snowfall can compress the bedrock.
Source:https://www.youtube.com/watch?v=VdsAJQHUUKM http://www.express.co.uk
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