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April 24, 1980
Weeks after the initial eruption, scientists discovered and alarming bulge out of the north side of the mountain. The magma rising within the mountain encountered a blockage in the mouth of the volcano being forced out around. -
April 30, 1980
Scientist discover something scary...over the next 2 weeks the bulge on the north side of the mountain grows every single day. The mountain was moving at an insane rate, 5 feet a day. -
May 18, 1980 8:33 am
2 more blasts of ash and rock explode out of the volcano. -
May 18, 1980 8:30 am
A 5.1 earthquake occurred causing the bulge to burst causing a landslide to happen down Mt. ST. Helens -
May 18, 1980 8:30 am
Mt. St. Helens erupts -
May 18, 1980 8:30 am
Mt. St. Helens continues to erupt for 9 hours. -
May 18, 1980 5:30 pm
Mt. St. Helens stops erupting
