The eruption of May 18, 1980 sent volcanic ash, steam, water and debris to a height of 60,000 feet. The mountain lost 1,300 feet of altitude and about 2/3 of a cubic mile of material stream downward from the center of the plume and the formation and movement of pyroclastic flows down the left flank of the volcano.
St. Helens spews death, destruction
The Columbian’s first story on the volcano’s massive May 18, 1980, eruption
Mount St. Helens, the once-serene, cone-shaped peak that dominated the skyline northeast of Clark County and stood guard over the beautiful Spirit Lake recreation area, erupted with a force likened to an atom bomb Sunday, killing at least six and leaving 29 missing. The mountain, about 45 miles from Vancouver’s back door, blew at 8:32 a.m. Sunday with an explosion that was heard 200 miles away in Canada but was unheard throughout the Vancouver-Portland area. The blast left the snow-capped mountain about 1,300 feet shorter than it was two days ago, spread death and destruction throughout the Toutle River valley north and west of the mountain and sent a gigantic ash cloud to the east.




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