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Mount St. Helens fourth eruption in 1980. Skamania County, Washington.

Dates

Date Taken
1980-06-22

Summary

Caption: Mount St. Helens dusts Washington state with fourth eruption. This June 22, 1980 scene looking northerly at Washington state's Mount St. Helens volcano shows the fourth significant eruption of the Cascade Mountain Range volcano since it began awakening in late March, 1980 after 123 years of quiet. The effects of air movement at higher elevations can be seen as the ash cloud begins to broaden and the heavier ash particles begin to fall back to the ground. During the May 18, 1980 main eruption, the mountain ejected about 1 cubic kilometer of ash and rock which fell over 11 western and central states. The force of the main eruption blast removed about 5,000 feet from the north face of the mountain and knocked down trees on a [...]

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Data Owner :
U.S. Geological Survey

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PIO_80_186f.jpg thumbnail 4.24 MB image/jpeg
PIO_80_186f.tif 41.43 MB image/geotiff

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Available in the U.S. Geological Survey Denver Library Photographic Collection, 2010 DENPH0011, PIO Collection.

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Photo Number https://www.sciencebase.gov/vocab/category/item/identifier PIO_80_186f

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