Mount St. Helens National Volcanic Monument

Explore Mount St. Helens...Discover Ecosystems in Action


At 8:32 Sunday morning, May 18, 1980, Mount St. Helens erupted and blew down or scorched 230 square miles of forest...30 years later, recovery at Mount St. Helens continues. Read more...


Produced by the US Forest Service in cooperation with Mount St. Helens Institute. Special thanks to the USGS Cascade Volcano Observatory and the USFS Pacific Northwest Research Station.

Plan Your Experience

Johnston Ridge Observatory View

Mount St. Helens VolcanoCams

Providing near real-time images
of the volcano since the late 1990s.