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Slides of the July 22, 1980 eruption of Mount St. Helens. Mount St. Helens, Washington. 1980.


Date Taken


These slides of the July 22, 1980 eruption of Mount St. Helens were taken by Jim Vallance, who was in a U.S. Forest Service fixed wing aircraft and by Mike Doukas, Harry Glicken, and Rick Hoblitt who were in a U.S. Geological Survey helicopter. There were three major eruptive pulses on July 22, 1980. They begin at 17:14, 18:30 and 19:02 PDT. Slide no. 43 through no. 62 show the third eruptive pulse. this sequence was taken while moving clockwise from the west to the north side of the mountain at a distance of 7 to 10 miles and at an elevation of 17,000 feet. View of eruption at 19:01. Skamania County, Washington. (Photo by J. Vallance, USGS)


Data Owner :
U.S. Geological Survey
Photographer :
Vallance, James W.

Attached Files

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mshj0046.jpg thumbnail 10.81 MB image/jpeg

Material Request Instructions

Available in the U.S. Geological Survey Denver Library Photographic Collection, Mount St. Helens Superset Collection, color transparencies (slides).


This USGS product is considered to be in the U.S. public domain. For further information on the USGS Information Policies and Instructions, refer to the Copyrights and Credits section on this web page:

Additional Information


Type Scheme Key
name photoLibrary mshj0046
number photoLibrary 22661
batch photoLibrary btch225
number_in_book photoLibrary 46ct

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