Global Volcanism Program | Image GVP-03035
A lava flow, still largely unvegetated, was emplaced about 3,850 years ago from Nash Crater in the Sand Mountain volcanic field of the central Oregon Cascades. This and contemporaneous lava flows blocked local drainages, forming Lava Lake and Fish Lake.
Photo by Lee Siebert, 1995 (Smithsonian Institution).
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.
Keywords: lava flow