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Global Volcanism Program | Image GVP-03152

Lava Butte, a prominent cinder cone on the NW flank of Newberry volcano at the end of a rift zone extending from the caldera rim, erupted about 6150 years ago.  Following construction of the cinder cone, a SW flank fissure at the base of the cone, seen in the foreground, fed a voluminous lava flow that traveled to the north, deflecting the course of the Deschutes River in the background. Photo by Lee Siebert, 1981 (Smithsonian Institution).

Lava Butte, a prominent cinder cone on the NW flank of Newberry volcano at the end of a rift zone extending from the caldera rim, erupted about 6150 years ago. Following construction of the cinder cone, a SW flank fissure at the base of the cone, seen in the foreground, fed a voluminous lava flow that traveled to the north, deflecting the course of the Deschutes River in the background.

Photo by Lee Siebert, 1981 (Smithsonian Institution).


Newberry