What Natural Disaster Was Caused By The Eruption Of Mount St. Helens In Washington State A Tornado Flooding A Landslide A Wildfire?
What Natural Disaster Was Caused By The Eruption Of Mount St. Helens In Washington State A Tornado Flooding A Landslide A Wildfire? When Mount St. Helens erupted on May 18, 1980 — triggered by a magnitude 5.2 earthquake — the explosive blast caused an enormous landslide with 600 mph winds and up to 600-degree-Fahrenheit heat