Geology and History
Geology and History
Geology and history of Newberry.
Big Obsidian Flow
Big Obsidian Flow
The Big Obsidian Flow is the youngest volcanic feature at Newberry and covers just over 2.6 square kilometers.
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Geology and History of Newberry Volcano
Rising gradually southward to 4,000 feet above the City of Bend, Oregon, Newberry Volcano appears from Bend as a broad ridge on the horizon.
Eruption History of Newberry Volcano
Eruption history of Newberry Volcano.
Features of Newberry Caldera
The present 6.5 by 8 km (4 by 5 mi) caldera at Newberry Volcano's summit formed about 75,000 years ago by a major explosive eruption and collapse event.
Post-Mazama Eruption Products from <7,700 years ago
Newberry Volcano has seen many eruptions in just the last 7+ millennia.
Big Obsidian Flow
The Big Obsidian Flow is the youngest volcanic feature at Newberry and covers just over 2.6 square kilometers.
Newberry National Volcanic Monument
Volcanic activity at Newberry has created a spectacular landscape, and in 1990 the 55,500 acre Newberry National Volcanic Monument was established within Deschutes National Forest.
Geothermal Energy Exploration at Newberry
Newberry Volcano has been explored as a potential source for geothermal energy for more than three decades. High temperatures have been encountered, but fluid production has been inadequate for generating power.