Crystals hold a secret history of volcanoes – and clues about future eruptions

Fri, 4 Oct 2024 03:42:13 +1000

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://theconversation.com/crystals-hold-a-secret-history-of-volcanoes-and-clues-about-future-eruptions-234808>

"Imagine you had a crystal ball that revealed when a volcano would next erupt.
For the hundreds of millions of people around the world who live near active
volcanoes, it would be an extremely useful device.

As it turns out, certain crystals really can help us forecast volcanic
eruptions. These crystals are produced in molten rock as it travels from deep
inside Earth to the surface.

With increasingly sophisticated scientific methods, we can extract a secret
history of volcanoes from these crystals – the why, where and when of past
eruptions.

These historical records can help us interpret if signs of volcano unrest, such
as earthquakes tracking the movement of magma towards the surface, may lead to
an eruption. So, as I explain in a new column in Nature Geoscience, we are
getting closer to having crystal balls (for volcanoes, at least)."

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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