Explore the Gifford Pinchot National Forest
Gifford Pinchot National Forest includes over 1.3 million acres of forest lands, wildlife habitat, watersheds & mountains, including Mt. Adams and the Mount St. Helens National Volcanic Monument.
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Mount St. Helens 1980 Eruption
On the morning of May 18, 1980, a magnitude 5.1 earthquake triggered the collapse of the summit and north flank of Mount St. Helens and formed the largest landslide in recorded history.