todayonscreen, #OnThisDay, May 18, 1980, Mount St. Helens erupted in Washington state. It has often been declared the most disastrous volcanic eruption in U.S. history (depicted in St. Helens, 1981)
todayonscreen, #OnThisDay, May 18, 1980, Mount St. Helens erupted in Washington state. It has often been declared the most disastrous volcanic eruption in U.S. history (depicted in St. Helens, 1981)
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