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Filters: Tags: CVO-B Cascades Volcano Observatory Collection (X)

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Index card: Three other Cascade volcanoes are visible from Mount St. Helens - Mt. Adams to the east. Any one of these Cascade peaks has the potential for becoming another active volcano. Yakima County, Washington. September 23, 1983.
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Index card: Aerial view of erosion which began almost immediate after the May 18 eruption - channel incision in the blast zone, Smith Creek. Geologist for scale. Skamania County, Washington. October 4/5, 1980.
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Index card: The Toutle River near Interstate 5 soon after the May 18, 1980, mudflow. View from photo station, Toutle River at Highway 99, looking downstream at the Interstate 5 bridge. Cowlitz County, Washington. July 6, 1980.


map background search result map search result map Mount St. Helens, viewed from south of Chehalis. Lewis and Skamania Counties, Washington. 1980. Erosion, channel incision in the blast zone, Smith Creek. Mount St. Helens, ​Skamania County, Washington. 1980. Spirit Lake. Mount St. Helens, Skamania County, Washington. 1980. Downed logs on Spirit Lake. Mount St. Helens, Skamania County, Washington. 1981 Plume on Mount St. Helens. Skamania County, Washington. 1983. Mount St. Helens ash burst in progress. Skamania County, Washington. 1983. The August Mount St. Helens lobe extrusion. Skamania County, Washington. 1982. Taking deformation readings in winter at Mount St. Helens. Skamania County, Washington. 1983. Coldwater Lake Exit Early Warning Flood Gage. Mount St. Helens, Cowlitz County, Washington. 1983. Stream gaging, Toutle River. Mount St. Helens, Cowlitz County, Washington. 1981. The Toutle River near Interstate 5, soon after the May 18 mudflow. Mount St. Helens, Cowlitz County, Washington. 1980. Mount St. Helens barely visible through the fog. Skamania County, Washington. 1983. Aerial view of blowdown, North Fork Toutle River, near Elk Rock, 11 miles downstream from Mount St. Helens. Cowliutz County, Washington. 1980. Aerial view of explosion pit on pumice plain. Mount St. Helens, Skamania County, Washington. 1980. Red laser beam on Harry's Ridge as viewed from Mount St. Helens crater. Skamania County, Washington. 1982. Ash burst from Mount St. Helens, seen from Harry's Ridge. Skamania County, Washington. 1983. View of Mount St. Helens dome after sunrise. Skamania County, Washington. 1982. Ash plume rising from Mount St. Helens. Skamania County, Washington. 1980. View from within the helicopter approaching Mount St. Helens. Skamania County, Washington. 1983. View of Mt. Adams to the east, taken from Mount St. Helens. Yakima County, Washington. 1983. Coldwater Lake Exit Early Warning Flood Gage. Mount St. Helens, Cowlitz County, Washington. 1983. Stream gaging, Toutle River. Mount St. Helens, Cowlitz County, Washington. 1981. The Toutle River near Interstate 5, soon after the May 18 mudflow. Mount St. Helens, Cowlitz County, Washington. 1980. Aerial view of blowdown, North Fork Toutle River, near Elk Rock, 11 miles downstream from Mount St. Helens. Cowliutz County, Washington. 1980. Erosion, channel incision in the blast zone, Smith Creek. Mount St. Helens, ​Skamania County, Washington. 1980. Spirit Lake. Mount St. Helens, Skamania County, Washington. 1980. Downed logs on Spirit Lake. Mount St. Helens, Skamania County, Washington. 1981 Plume on Mount St. Helens. Skamania County, Washington. 1983. Mount St. Helens ash burst in progress. Skamania County, Washington. 1983. The August Mount St. Helens lobe extrusion. Skamania County, Washington. 1982. Taking deformation readings in winter at Mount St. Helens. Skamania County, Washington. 1983. Mount St. Helens barely visible through the fog. Skamania County, Washington. 1983. Aerial view of explosion pit on pumice plain. Mount St. Helens, Skamania County, Washington. 1980. Red laser beam on Harry's Ridge as viewed from Mount St. Helens crater. Skamania County, Washington. 1982. Ash burst from Mount St. Helens, seen from Harry's Ridge. Skamania County, Washington. 1983. View of Mount St. Helens dome after sunrise. Skamania County, Washington. 1982. Ash plume rising from Mount St. Helens. Skamania County, Washington. 1980. View from within the helicopter approaching Mount St. Helens. Skamania County, Washington. 1983. View of Mt. Adams to the east, taken from Mount St. Helens. Yakima County, Washington. 1983. Mount St. Helens, viewed from south of Chehalis. Lewis and Skamania Counties, Washington. 1980.