<\/a>
\nAs far as geologists can tell, there aren’t any giant pools of magma capable of producing super-eruptions on the planet right now. The researchers think that this is because they form and erupt so rapidly.<\/p>\nAccording to the team, the previous 100,000-year estimates were just caused by the method geologists had used, and aren’t accurate. The measurements used previously were zircon crystals which are common in volcanic rocks and contain radioactive elements that decay at a stable rate. They are useful because they can survive most geological processes. However, since they survive the heat and pressure in a magma chamber, they are not good at recording the lifetimes of crystal-poor magma bodies.<\/p>\n
So the researchers used the crystallization rates of quartz in the deposits to get information about the lifespans of the magma bodies. They came up with four independent lines of evidence indicating that they definitely took less than 10,000 years and most likely between 500 and 3,000 years to erupt. They suggest that the zircon crystal measurements record the changes that are required to occur in the crust before the magma bodies can form.<\/p>\n
The researchers suggest that with the short formation period of these super-eruptions we should monitor the areas where they are likely to occur. Such as Yellowstone, where there has been significant ground swelling in the past couple of years.<\/p>\n
Source: PLoS ONE
\n<\/em>Image Credits: NASA\/JPL, Elements 2008<\/em><\/p>\n","protected":false},"excerpt":{"rendered":" Super-volcanos form and erupt much more quickly than previously thought, according to a new study from researchers at Vanderbilt University. Super-volcanos and super-eruptions are referred to as super because of their massive scale, more than 100 times the size of an eruption like Mount St. Helens. They release tremendous amounts of gas, ash, and 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They release tremendous amounts of gas, ash, and…","_links":{"self":[{"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/posts\/30578"}],"collection":[{"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/users\/118"}],"replies":[{"embeddable":true,"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/comments?post=30578"}],"version-history":[{"count":0,"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/posts\/30578\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/media\/30581"}],"wp:attachment":[{"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/media?parent=30578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/categories?post=30578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetsave.com\/wp-json\/wp\/v2\/tags?post=30578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}