mt. st. helens 1987

on may 18th, 1980, a 5.1 earthquake triggered a pyroclastic blast
and the largest landslide ever recorded in washington state

for more information, see: https://volcano.si.edu/volcano.cfm?vn=321050
or http://mountsthelens.com/  or  https://www.youtube.com/watch?v=Ec30uU0G56U

mount rainier in the distance

mount st. helens