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What scientists have learned from Mount St. Helens’ devastating eruption, 45 years later
It was 45 years ago today when Mount St. Helens erupted, triggering the biggest landslide in Earth’s recorded history and creating an ash cloud that reached across the country. John Yang looks back at ...
Remembering the deadly Mount St. Helens eruption 45 years later
Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m ...