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Global Volcanism Program | Image GVP-03020

Forked Butte, viewed here from the SW, is a Holocene cinder cone south of Mount Jefferson that produced an 8-km-long lava flow down Cabot Creek about 6500 years ago.  Forked Butte is one of three cinder cones south of Jefferson that have produced Holocene lava flows. Photo by Willie Scott, 1973 (U.S. Geological Survey).

Forked Butte, viewed here from the SW, is a Holocene cinder cone south of Mount Jefferson that produced an 8-km-long lava flow down Cabot Creek about 6500 years ago. Forked Butte is one of three cinder cones south of Jefferson that have produced Holocene lava flows.

Photo by Willie Scott, 1973 (U.S. Geological Survey).


Jefferson