Ancient Pacific Northwest eruption, blocked out sun, cooled planet

WSU researchers document one of planet’s largest volcanic eruptions Gases from Inland Northwest blocked out sun, cooling planet From WASHINGTON STATE UNIVERSITY PULLMAN, Wash. – Washington State University researchers have determined that the Pacific Northwest was home to one of the Earth’s largest known volcanic eruptions, a millennia-long spewing of sulfuric gas that blocked out…

News From Vostok Ice Cores

Guest essay by Richard Taylor Introduction Our current understanding climate was influenced profoundly by the publication (J.R. Petit, et al., 1999) of deuterium (2H) measurements from metre 8 to metre 3310 of the Vostok ice-core, indicating the temperature of the nearby atmosphere from 1800 to 421000 BC. Some authorities claim, and many believe, that unprecedented…

More evidence: Great Permian Extinction, 250 million years ago, was caused by massive volcanic eruptions

From NYU: New evidence that Siberian volcanic eruptions caused extinction 250 million yrs ago A team of scientists has found new evidence that the Great Permian Extinction, which occurred approximately 250 million years ago, was caused by massive volcanic eruptions that led to significant environmental changes. The study, which appears in the journal Scientific Reports, reports…