Everything was calm in beautiful Skamania County, Washington, until May 18, 1980. Then a massive stratovolcano unleashed its rage, obliterating 596sqkm around it. It was Mount St. Helens. This video shows how things have changed since then.
1.5 million metric tons of sulphur dioxide were released during the largest known avalanche in history, resulting in 57 casualties and a dramatic change of landscape. From the Garden of Eden to the Plains of Hell in a few minutes. It has taken 30 years, as these images from the Landsat satellites show, to get a closer to its original state.