1980 eruption of Mount St. Helens, Washington, US
Mount St. Helens from Monitor Ridge showing the cone of devastation, the huge crater open to the north, and the post eruption lava dome inside it. The small photos were taken from Spirit Lake before and after the eruption. Spirit Lake can also be seen in the larger image, as well as two other Cascade volcanos.Photo credit: Daniel Mayer, U.S. Forest Service and USGS