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MSH80_st_helens_eruption_plume_07-22-80.jpg Five more explosive eruptions of Mount St. Helens occurred in 1980 (after May 18), including this spectacular event of July 22. This eruption sent pumice and ash 6 to 11 miles (10-18 kilometers) into the air, and was visible in Seattle, Washington, 100 miles (160 kilometers) to the north. The view here is from the south.
USGS Photograph taken on July 22, 1980, by Mike Doukas.
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MSH80_eruption_mount_st_helens_plume_07-22-80.jpg July 22, 1980 eruption of Mount St. Helens, with Mount Rainier, Washington, in the background.
USGS Photograph taken on July 22, 1980, by Jim Vallance.
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MSH80_sunset_july_22_eruption_from_NW_07-22-80.jpg Sunset on the July 22, 1980 eruption of Mount St. Helens, as seen from the northwest.
USGS Photograph taken on July 22, 1980, by Jim Vallance.
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MSH80_july_22_eruption_seen_from_tacoma_07-22-80.jpg Mount St. Helens' July 22, 1980 eruption plume, as seen from Tacoma, Washington.
USGS Photograph taken on July 22, 1980, by Lyn Topinka.
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