-
Small explosion opening crater
A small explosion caused a 250ft crater to open up in the mountain. -
Period: to
Mount St. Helens eruption
Thousands of small earthquakes, explosions of steam, and a growing bulge in the mountain lead to one of the largest volcanic eruptions.
Total death toll: 57 -
Monitoring equipment installed on Volcano
Scientists installed monitoring equipment on the volcano to get a better estimation of when the volcano will erupt. -
Residents forces to evacuate
Local residents in the area are forced to evacuate as the situation escalates -
Underground tremmors
The volcano has started to have underground tremors like earthquakes -
Steam and ash burst from the mountain
18 small bursts of steam and ash explode from St. Helens -
Bulge grows on side of the mountain
Bulge filled w volcanic material and lava grows from the side of the mountain. -
Bulge continues to grow
Bulge continues to grow taking up a side of the mountain -
Trembling starts to occur
The ground starts to tremble due to the volcano -
Residents can visit there homes
Residents are permitted to visit their homes for a day then must resume the evacuation -
Volcano erupts
8:32...Earthquake and volcano opened up followed by a huge explosion. Ash is blasted up to 12 miles in the air covering nearby cities
8:33...Two more huge explosions from the volcano -
Mud slides
The heat from the eruption of the volcano melts ice caps on mountains and sends massive mudslides rushing towards the city called a Lahar. This is the largest mudslide ever recorded. -
Secound eruption
The mountain erupts again but smaller and less dangerous than the first