Geology News, Using the Earth to Identify Itself: Yellowstone Hotspot Confirmed


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 22 March 2018

 

GEOLOGY NEWS
Using the Earth to Identify Itself

Yellowstone Hotspot Confirmed

Missing hot mantle plume detected beneath Yellowstone,
Ars Technica, March 21, 2018.

The gist of this article is about using Seismic Waves as if they were sensors, measuring the changes in their know wave shapes to identify geological features between their inception and reception points.

Explaining Yellowstone

"Using a dense network of seismometers recently installed across much of the US, the researchers used waves generated by 71 earthquakes to image the mantle beneath the Western US. And lo and behold, something popped out beneath Yellowstone: an anomalous cylinder about 350 kilometers across. It stretches all the way from Yellowstone to the bottom of the mantle, directly beneath the California-Mexico border."

"...the researchers are pretty confident they’ve successfully settled the question of whether a true mantle hot spot lies beneath Yellowstone."


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