New warning about ‘Supervolcano’
Scientists from Arizona State University who analysed minerals in fossilised ash from the most recent mega-eruption about 630,000 years ago found the supervolcano woke up after fresh magma flowed into the caldera, a 64-kilometre-wide bowl, National Geographic reported.
The volcano can belch out more than 1000 cubic kilometres of rock and ash â€” 2500 times more than Mount St Helens did in 1980, the ASU researchers found.
The minerals revealed changes in temperature and composition built up in on…
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