All volcanoes in the Cascade Range of Washington and Oregon are at normal background levels of activity this week. Current Volcano Alert Level: NORMAL Current Aviation Color Code: GREEN Weekly Update: https://on.doi.gov/2hwAiRm The spectacular eruption of Mount St. Helens on May 18, 1980, electrified scientists and the public. The colossal landslide, northward-directed blast, and eruption column made news worldwide. Reconnaissance of the devastation spurred efforts to understand the power and aw
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All volcanoes in the Cascade Range of Washington and Oregon are at …
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Geologists have found places in the Cascades where Mount Rainier-like volcanoes once stood, but the ancient volcanoes are now gone. Discover what's left of these ghost volcanoes with Nick on the Rocks. http://bit.ly/2z4Akc6 Nick Zentner Central Washington University | Cascade PBS
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