Mount St. Helens in 1980 | March 28 By sundown that Friday the 28th, St. Helens had erupted 13 times, but the activity was only visible above the clouds. @USGS scientists flying overhead captured incredible footage of one of the eruptions. #volcanoes #earth #geology #volcano
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During a media briefing, USGS geologist C. Dan Miller discussed the eruption sequence of steam and ash plumes captured in the first tweet. 🌋🌋🌋 #Volcanology #Volcanoes #Geology #PDX