Global Volcanism Program | Image GVP-02986
Scientists from the U.S. Geological Survey take gas samples at Devils Kitchen near the Crater Rock lava dome on the upper SW flank of Mount Hood. The Crater Rock area produces vigorous gas emission and results in extensive hydrothermal alteration of rock masses over broad areas.
Photo by Bill Chadwick, 1982 (U.S. Geological Survey).
This image is made available as a Public Domain Work, but proper attribution is appreciated.
Galleries: Volcano Monitoring
Keywords: volcanologist | field work | gas measurement