Most recent eruptions of Mount St Helen
May 1980 and July 2008
Where is Mount St Helens?
In the Rocky Mountains, Washington State, USA
Build up to the eruption of Mount St Helen
Small earthquakes, side of the mountain bulged outwards 100m because of magma flow pressure, ash steam and small lava flow comes out of the crater.
The eruption of Mount St Helen
Gas, steam, ash, lava and rock comes out of the crater
The aftermath of Mount St Helen
Destruction of homes and businesses, forests destroyed, mud slides
How many people died in the eruption of Mount St Helen?
60