On May 18, 1980, Mount St. Helens in Washington state erupted, causing the worst volcanic disaster in the recorded history of the United States. An earthquake shook loose the northern flank of the volcano, resulting in the world's largest recorded landslide. Areas now relatively devoid of vegetation appear bright.
A Landsat satellite image combined with a Shuttle Radar Topography Mission elevation model were used to create this 3-D view.
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