Scene 3D model U.S.A Large scale scene Scene 3D scanning Southwest Washington State Cascade Mountains The eruption on May 18, 1980 was one of the largest volcanic explosions on record in North America Active geological history National Volcano Monument Map of Mount St. Helens

Scene 3D model U.S.A Large scale scene Scene 3D scanning Mount St. Helens Southwest Washington State Cascade Mountains The eruption on May 18, 1980 was one of the largest volcanic explosions on record in North America Active geological history National Volcano Monument