By Eric Sorensen,WSU NewsPULLMAN, Wash. – The Pacific Northwest was home to one of the Earth’s largest known volcanic eruptions, and a millennia-long spewing of sulfuric gas that blocked out the sun and cooled the planet, Washington State University researchers acquire determined.
Only two other eruptions — the basalt floods of the Siberian Traps and the Deccan Traps — were larger, and they led to two of the Earth’s grand extinctions.“This would acquire been devastating regionally because of the acid-rain effect from the eruptions, and ” said John Wolff,a professor in the WSU School of the ... » More ...
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Source: wsu.edu