Broadleaf Lupine (Lupinis latifolius) growing in

Broadleaf Lupine (Lupinis latifolius) growing in the ash from the 1980 eruption. with Mount St Helens in the background, Mount St Helens National Monument, Washington State, USA. At 8:32 on May 18, 1980, Mount St. Helens erupted. Shaken by an earthquake measuring 5.1 on the Richter scale, the north face collapsed in a massive rock debris avalanche. Nearly 230 square miles of forest was blown down or buried beneath volcanic deposits. The eruption lasted 9 hours

1980 Damage Eruption Latifolius Lupin Lupine Lupins Regeneration Regrowth Volcanic Volcanoe Volcanoes

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