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User / RobertCross1 (off and on) / Saint Helens Summer Blue
Robert Cross / 1,605 items
Wildflowers and patches of green gradually coming back to retake the landscape devastated from the massive eruptions of Mt. St. Helens in the early 1980s. The largest of these, on May 18, 1980, was "the deadliest and most economically destructive volcanic event in US history. Fifty-seven people were killed; 250 homes, 47 bridges, 15 miles (24 km) of railways, and 185 miles (298 km) of highway were destroyed. A massive debris avalanche, triggered by an earthquake of magnitude 5.1, caused a lateral eruption that reduced the elevation of the mountain's summit from 9,677 ft (2,950 m) to 8,363 ft (2,549 m), leaving a 1 mile (1.6 km) wide horseshoe-shaped crater. The debris avalanche was up to 0.7 cubic miles (2.9 km3) in volume. The Mount St. Helens National Volcanic Monument was created to preserve the volcano and allow for the eruption's aftermath to be scientifically studied." [Wikipedia]

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  • Views: 4062
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Dates
  • Taken: Jul 20, 2015
  • Uploaded: Jul 6, 2020
  • Updated: Jun 10, 2021