seawasp (seawasp) wrote,
seawasp
seawasp

Happy St. Helens Day!

May 18, 1980: Mount Saint Helens explodes in the most awe-inspiring eruption ever recorded in the contiguous 48 states, sending out a lateral blast wave that levels everything for almost 20 kilometers and whose vertical component ends up depositing detectable amounts of dust more than halfway across the country.
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