The Magma Chamber at Yellowstone Is Bigger Than Previously Thought

Check out this fascinating article in Nature. Robert Smith of the University of Utah has shown that the magma chamber under Yellowstone is bigger than previously thought–about 50 miles long and 12 miles long.

Source: Wikimedia Commons

What does it mean? Not much. The size of the magma chamber doesn’t change what we already knew about the likelihood of an eruption or its potential size. In fact, Smith believes earthquakes are a much greater threat than volcanic eruptions. (H/T Rodger Nichols).

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