After several days of small earthquakes, MOUNT ST. HELENS erupted late last week. When the mountain in Washington State exploded back in 1980, TIME recounted the devastation in a cover story.
"Vancouver, Vancouver, this is it!" The frantic warning was radioed at precisely 8:31 a.m. on that fateful Sunday by Volcano Expert David Johnson, 30, who had climbed to a monitoring site five miles from Washington State's Mount St. Helens in the snow-capped Cascade Range, 40 miles northeast of Portland, Ore. He wanted to peer through binoculars at an ominous bulge building up below the crater, which had been rumbling and...