Two Massive Eruptions In The Americas Hiding In Plain Sight
One, only 1,500 years ago, may have produced one of the tallest eruption plumes in the past 10,000 years while the other may have been one of the most voluminous blasts in that same period.
May 16, 2019 at 07:36PM
via Digg http://bit.ly/2YEAHqb
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