Global Volcanism Program | Image GVP-05229
An Alaska Volcano Observatory scientist examines lahar deposits originating from the 1992 eruption of the Crater Peak vent at Mount Spurr. These deposits were emplaced the night of 16-17 September during the last of three short, but powerful, explosive eruptions from June to September.
Photo by Game McGimsey (Alaska Volcano Observatory, U.S. Geological Survey).
This image is made available as a Public Domain Work, but proper attribution is appreciated.