1.Previous
3.Next

for centuries.

Mount St. Helens

In May of 1980, Mount St. Helens erupted, causing a massive landslide and a large sideways explosion, that sent ash, gas, and rock into the surrounding forests, causing substantial damage. The eruption sent a large column of ash into the sky, which then turned into pyroclastic flows that settled on the base of the mountain in the form of pyroclastic rock material.

Yellowstone Caldera

Approximately

1.Previous
3.Next