Global Volcanism Program | Image GVP-02969

The upper Sandy River valley on the SW side of Mount Hood has been one of the primary channels for lahars and block-and-ash flows during the past 1,800 years. These late-stage eruptions originated from vents and lava domes high on the SW flank. Photo by Willie Scott, 1995 (U.S. Geological Survey).

The upper Sandy River valley on the SW side of Mount Hood has been one of the primary channels for lahars and block-and-ash flows during the past 1,800 years. These late-stage eruptions originated from vents and lava domes high on the SW flank.

Photo by Willie Scott, 1995 (U.S. Geological Survey).

Creative Commons Icon This image is made available as a Public Domain Work, but proper attribution is appreciated.

Keywords: stratovolcano

Hood