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Friday, January 7, 2022
Scientists Find Surprisingly Cool 'Hotspots' Under Earth's Crust
The findings suggest current theories of how some volcanoes form may be too simple.
Scientists Find Surprisingly Cool 'Hotspots' Under Earth's Crust
The findings suggest current theories of how some volcanoes form may be too simple.
Charles Q. Choi, Contributor
January 6, 2022
(Inside Science) -- The hotspots that created volcanic islands such as those of Hawaii, Iceland and the Galapagos Islands may often prove surprisingly cool, a new study finds.
These findings suggest that such hotspots may not always originate from giant plumes of scorching hot rock welling up from near Earth's core as previously thought, scientists noted.
Volcanoes are typically found near the borders of tectonic plates, born from clashes between those giant slabs of rock as they drift on top of the mantle layer between Earth's core and crust. Classic examples of such volcanoes are those that make up the so-called Ring of Fire on the Pacific Rim. However, volcanoes sometimes erupt in the middle of tectonic plates...
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