Mount St. Helens

Mount St. Helens Erupted on May 18th 1980

Pictures of Mount St. Helens

The Eruption

Sunday, May 18th 1980 at 8:30pm

Skamania, WA


On A Sunday morning at around 8:32 a sitting time bomb goes boom, Mount St. Helens. A huge wave of ash measuring about 12 miles up. That ash was speeding at the people of Washington at 326 mph. The whole left side of the mountain slid off the side like a landslide. Mount St. Helens killed 57 people. The cost to fix everything is $1.1 billion. One of the names of the victims from Mount St. Helens are Dave Johntston.
Mount Saint Helens - May 18, 1980

How a Volcano is formed

Very far down in between molten iron core (lava) and the thin crust On the surface. There is a piece of rock called the mantle. Rock from the mantle melts and flows up to the surface of the crust which causes pent-up gases, then causes a volcano to erupt. But that is not how a volcano is formed that was how volcanoes erupt. But now how they form. They are formed by plate Tectonics that are moved by currents in the crust causing land to move up making a volcano