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Mount St. Helens Eruption Prediction
17:14 - 19:16 (02:02)
In 1975, volcanologists predicted Mount St. Helens would erupt in the 20th century. The eruption was initiated by a 4.0 earthquake five years later on March 20th, 1980.
In 1975, volcanologists predicted Mount St. Helens would erupt in the 20th century. The eruption was initiated by a 4.0 earthquake five years later on March 20th, 1980.